"user manual"
Contents
1. 90 mm AD ELBL OC LOO L H M 1 8 Modulation Transfer as a func tion of image height at infinite focus setting Sagittal slit orientation drawn with continuous line and tan with dashed White light Spatial frequencies 10 20 and 40 Ip mm gential Image height mm Image height mm 35 mm 1 5 41N Image height mm Image height mm 55 mm 1 5 6 41N Image height mm Image height mm 90 mm HASSELBLAD HCD 4 0 5 6 35 90 Aspherical RELATIVE ILLUMINATION Infinity setting Relative illumination putti pi o2 027 jg f4 0 i 0 0 10 20 30 Image height mm DISTORTION Infinity setting Distortion 35 mm 0 10 20 30 0 fg f 4 5 0 10 20 30 Image height mm 50 mm ne a 0 2 due a u 156 10 20 30 Image height mm 90 mm Image height mm 20 30 0 Image height mm 20 30 Image height mm x des gt a t e 2 ar LES u dy ef oa elle IPA po Related Accessories HASSELBLAD H 1 7X Converter Product number 3023717 GENERAL LENS DATA Focal length conversion factor 1 7x Aperture reduction 1 5 stops Length diameter 56 mm 85 mm Weight 465 g LENS DESIGN 62. PHYSICAL DATA H 13mm Extension 13 mm Weight including covers 1258 External dimensions 84 x 34 mm including covers Please note that extensive close up tables both metric and imperial concerning various combinations of lens extension tube focus settings are available as free downloads from www hasselblad com H 26mm 26 mm 150 g 84 x 47 mm H 52mm 52 mm 1958 84 x 73 mm HASSELBLAD H SYSTEM CF Lens Adapter Product number 3043500 The Hasselblad H System CF Lens Adapter allows the use of all C type lenses from the V system on H cameras Integral processors for data conversion bridge the two systems 2 Tolens to access a number of the H display and lens control functions The adapter allows light metering at full aperture electronic focus confirmation on view finder display exploitation of databus connection with CFE lenses access to shutter speeds manually set on lens from 1s 1 500s including B and T mode Restrictions regarding autofocus continuous drive light metering and aperture shutter controls as well as certain lenses or combi nations of lenses converters apply A comprehensive user manual is available as a free download from www hasselblad com PHYSICAL DATA Dimensions approx 86 x 112 x 20 mm Weight including covers 1358 HASSELBLAD HTS 5 The revolutionary HTS 1 5 is a tilt and shift adapter that can provide a pivotal step up for many Hasselblad photographers De
3. 8 8 z a HASSELBLAD HASSELBLAD HTS1 5 HC80 HTS 1 5 at f 11 10 degrees tilt HASSELBLAD HTS15 USE OF SHIFT For perfect parallel vertical lines in the image the camera needs to be parallel to the subject Tilting the whole camera would produce con verging parallel lines But by shifting the lens parallel to the image plane you can raise or lower the view with out tilting the camera If the subject is a building as in this example the camera should be placed level Camera positioned level The roof of the building is outside the area projected onto the sensor HC28 HTS The complete camera tilted upwards to include the top of the building results in converging vertical lines in the image The camera positioned level again with an upward lens shift of 9 mm applied results in parallel verticals HASSELBLAD HTS 5 USE OF TILT By tilting the lens in relation to the image plane you can effec tively tilt the plane of sharpness in the subject Depending on your idea of the final image you can either use tilt to enlarge the apparent depth of field or reduce it The full image HCD28 HTS 1 5 at f 11 No lens tilt produces some lack of sharpness in the foreground and background partly due to insufficient depth of field Lens tilted a few degrees to the right produces an image with perfect sharpness from the foreground to the back ground gt N z x i Lens tilted a
4. Weight incl covers and lens shade 850 g Filter diameter 95 mm CLOSE FOCUS RANGE DATA Minimum distance object to film 0 35 m Maximum image scale 1 7 3 Corresponding area of coverage 36 x 27 cm Corresponding exposure reduction O f stop COMPATIBILITY The HCD 4 28 mm is designed for exclusive use on the Hasselblad H3D camera The HCD 4 28 mm lens is designed solely for digital use This means that the lens is designed for a format of 37x49 mm and does not cover the film format 41 5x56mm The function is therefore disabled when using a film magazine The HCD 4 28 mm lens is not compatible with the converter 1 7x LENS DESIGN 12 elements in 9 groups FOGUS TYPE Rear focusing L p l ENTRANCE PUPIL POSITION Bi 134 mm in front of the sensor plane l at infinite focus setting The entrance pupil position is the correct position of the axis of rotation when making a panorama image by combining individual images of a scene HASSELBLAD HCD 4 28 MTF Modulation Transfer as a function of image height at infinite focus setting lt Sagittal slit orientation drawn E with continuous line and tangential with dashed White light Spatial frequencies 10 20 and 40 Ip mm 0 10 20 30 Image height mm Image height mm RELATIVE ILLUMINATION Infinity setting e N S ENT IN E a E US N x 2 en em Ki ha aL f8 f4 10 20 30 Image height mm DISTORTION Infinity setting Dis
5. 20 30 Image height mm f 8 100 80 60 40 20 Image height mm f 8 100 80 I 60 lt 40 gt 20 0 10 20 30 Image height mm f 8 100 80 60 40 20 0 10 20 30 Image height mm HASSELBLAD HC 3 5 4 5 50 110 RELATIVE ILLUMINATION Infinity setting lt Le E 2 o oO ao 0 10 20 Image height mm DISTORTION Infinity setting 50 mm Distortion 30 0 10 20 30 Image height mm eh agent a SRI eee de mm ep et lee 10 20 30 Image height mm 80 mm 0 10 20 30 Image height Mm 110 mm eat oe 1 ENAN CE a gt Seed RESA AEON 10 20 30 Image height mm 110 mm 10 20 30 Image height mm HASSELBLAD Zoom lenses Please Note Zoom lenses are ruggedly constructed professional level lenses made to very strict Hasselblad specifications However by the nature of the necessary complex con struction and weight they can be subject to damage if handled in an unsuitable manner When using the lens shade it becomes natural to place the lens camera combination down on a surface in the correct manner that is in a horizontal orientation Simi larly the lens on its own can placed vertically but still in a safe orientation as in illustration A This virtually avoids all risk of damage However placi
6. HTS 1 5 at f 16 5 degrees tilt HASSELBLAD HTS15 MTF PERFORMANCE 10 20 and 40 Ip mm The diagram shows lens perfomance over the full enlarged image circle Vertical dashed line show the basic sensor format 36x 48 mm Dashed lines in the diagrams shows the tangetial performance HCD 28mm infinity HC 35mm infinity HC 50mm infinity HC 80mm 2m HC 100mm 2m Image position mm 1 5 6 Image position mm f 5 6 Image position mm 1111 Image position mm 1111 Image position mm 1 11 Image position mm 1 11 0 10 20 30 Image position mm Image position mm HASSELBLAD HTS 5 MOVEMENTS The lens can be shifted 18 mm either upwards or down wards and it can be tilted 10 degrees up or down Tilt and shift can be combined according to the diagram HTS settings are presented on camera grip LCD and are also embedded in the image file 10 MAXIMUM TILT The graph shows the maxi mum amount of tilt that can be used without vignetting as a function of the amount of shift used Format 36x48mm N Landscape mode Portrait mode Max tilt angle degrees Shift mm HASSELBLAD HTS15 MOVEMENTS ROTATION The HTS 1 5 adapter can be rotated 90 degrees to the left or right to enable free placement of sharpness plane and shift direction
7. field can be calculated as follows 1 Focus the lens as required 2 Make an exposure reading auto or manual and note the aperture setting 3 Find the markings on either side of the central index that correspond to the chosen aperture 4 From these two markings read off on the required lens distance scale the two corresponding distances 5 The depth of field at that particular aperture and focus setting will be the area included between these two distances In the example given here the focusing distance is set at nearly 3 metres At an aperture of f 22 the depth of field would therefore extend from just over 2 m to ap proximately 4 5 m Stop down depth of field 8 A visual depth of field preview can be made by depressing the STOP DOWN button when at the default setting while viewing the image on the viewfinder screen 5 6 810 baa ht h 2 3 5 TT TUE 3222 1144119232 m Infrared focus settings 9 As infrared rays form an image at a differ ent plane to that formed by visible light the normal focus settings do not apply Proceed as follows in manual focus mode 1 Focus the lens in the conventional manner until satisfied 2 Note the distance setting against the central lens index 3 Re align this distance setting against the infrared mark coloured red in stead of the central lens index Alternatively if you have already calculated the required distance you can make a
8. lenses in 4 groups COMPATIBILITY The H1 7x Converter is compatible with all H system lenses except the following HCD 4 28mm 3023028 HC 3 5 35mm 3023035 HC 4 5 5 35 90mm Zoom 3023590 HC 3 5 4 5 50 110mm Zoom 3023511 Please also note that the AF function of the HC Macro 120mm and the HC 300mm is disabled when used in conjunc tion with this item ATTACHING AND REMOVING THE CONVERTER The converter is attached and removed in the same manner as a lens It can be attached either to the lens first or directly to the camera whichever is preferred It can also be used in combination with extension tubes though it should be mounted between the camera body and extension tube or combination of tubes FOCUSING The H1 7x Converter does not change the readings from the distance scale on the lens so the near and far limits of the focusing scale still apply However the depth of field scale no longer applies and should be disregarded Depth of field should be checked on the focusing screen using the depth of field button LIGHT METERING Since the H1 7x Converter increases the focal length it also according to the geometrical laws of optics decreases the aperture of the total optical lens converter system The TTL metering system takes this into account automatically general purposes However for critical applications alternative exposure settings should be made HASSELBLAD H SYSTEM H 13mm Product number 3053513 H 26m
9. software and firmware updates etc as well as news about the latest developments at Hasselblad Photo Dirk Rees Hasselblad Master General Information Rapid and accurate automatic focusing capability Central electronic shutter e Instant manual focus override with natural friction o Instant automatic focus return capability Non rotation of filter or accessory when focusing Non rotation of lens barrel in automatic focusing mode Flash sync at shutter speeds from 32s to 1 800s Reversed lens shade serves as transportation protection e Automatic detection of extension rings and converters All H system lenses have been specially formulated for the H system to produce the ex tremely high performance expected from Hasselblad to meet the demands from conven tional and digital photography alike In addition to extreme sharpness the design also incorporates a soft pleasant looking bok the visual quality of the out of focus areas of the image All lenses feature an electronically controlled central shutter designed to extremely fine tolerances for supreme accuracy that also provides flash synchronization with all speeds from 256s to 1 800s All lenses have a very rapid automatic focus capa bility with instant manual override To ensure reliable and fast autofocus in low contrast and low light conditions a focusing assist light on the grip is automatically activated Aperture and shutter control is set via the
10. 2011 Victor Hasselblad AB amp Hasselblad A S Victor Hasselblad AB Box 220 SE 401 23 G teborg Sweden
11. 6 Modulation Transfer as a func tion of image height at infinite focus setting Sagittal slit orientation drawn MTF with continuous line and tan gential with dashed White light Spatial frequencies 10 20 and 40 Ip mm 20 Image height mm Image height mm HASSELBLAD HC 2 2 100 Relative illumination Image height mm S E S a 20 30 Image height mm HASSELBLAD HC Macro 4 120 Product number 3023120 GENERAL LENS DATA Focal length 118 7 mm Aperture range 4 45 Angle of view diag hor vert 33 26 21 Length diameter 166 mm 96 mm Weight 1410 g Filter diameter 67 mm CLOSE FOCUS RANGE DATA Minimum distance object to film 0 39 m Maximum image scale 1 1 Corresponding area of coverage 56 x 41 5 mm Corresponding exposure reduction 1 3 f stop LENS DESIGN 9 elements in 9 groups FOCUS TYPE Front focusing ENTRANCE PUPIL POSITION 148 mm in front of the film plane I at infinite focus setting The entrance pupil position is the correct position of the axis of rotation when making a panorama image by combining individual images of a scene MTF f 4 f 8 infinity setting Modulation Transfer as a func tion of image height at infinite focus setting MTF MTF Sagittal slit orientation drawn with continuous line and tan gential with dashed White i i i i light Spatial frequencies 10 0 10 20 30 0 10 20 30 20 and 40 Ip mm Image height mm Image heig
12. HASSELBLAD H system Lenses amp H system Lens Accessories General Information User Manual Information amp Datasheets H H system Lenses All aspects of Hasselblad H system lenses optics and related user software are continuously refined to maintain the worldwide leading position in modern medium format imaging So congratulations on your new lens purchase The following will explain why you have just made a decision you will not regret Your new Hasselblad HC lens represents the outstanding result of over fifty years of continuous refinements and improvements The entire HC lens line including all lenses optics and related user software has been designed to maintain Hasselblad s leading global position in modern medium format imaging This booklet will explain some of the factors that make your purchase decision one you will not regret Naturally it is the quality of the images that you take with your new lens that will provide the final proof H system lenses Hasselblad has produced the best medium format cameras in the world for over fifty years now We have been able to reach and maintain this high standard thanks to the meticulous attention to detail we apply to each and every Hasselblad product Attention that is focused on ensuring the highest possible quality And when we say attention to detail we mean to all details from start to finish covering all aspects of design and production Just a
13. SSELBLAD HC 4 210 Product number 3023210 GENERAL LENS DATA Focal length 211 1 mm Aperture range 4 45 Angle of view diag hor vert 19 15 11 Length diameter 165 mm 85 mm Weight 1320 g Filter diameter 77 mm CLOSE FOCUS RANGE DATA Minimum distance object to film 1 8 m Maximum image scale 12730 Corresponding area of coverage 39 x 29cm Corresponding exposure reduction O f stop 5 SA LENS DESIGN 10 elements in 6 groups FOCUS TYPE Internal focusing ENTRANCE PUPIL POSITION f 70 mm in front of the film plane at infinite focus setting The entrance pupil position is the correct position of the axis of rotation when making a panorama image by combining individual images of a scene MTF Modulation Transfer as a func tion of image height at infinite focus setting Sagittal slit orientation drawn with continuous line and tan gential with dashed White light Spatial frequencies 10 20 and 40 Ip mm 20 30 Image height mm Image height mm HASSELBLAD HC 4 210 Relative illumination Image height mm Distortion 10 20 30 Image height mm HASSELBLAD HC 4 5 300 Product number 3023300 GENERAL LENS DATA Focal length 292 0 mm Aperture range 4 5 45 Angle of view diag hor vert 13 11 8 Length diameter 198 mm 100 mm w tripod mount 198 mm 139 mm Weight 2120 g Filter diameter 95 mm CLOSE FOCUS RANGE DATA Minimum distance object to film 2 45m Maxim
14. anual interaction Finally click OK and the final stiched image will be proc essed If the stitch is not perfect you can modify the layer masks for each layer HCD28 and HTS 1 5 The three images above have been merged into one image using Adobe Photoshop CS3 Photomerge Even at 100 it is almost impossible to see any stitch lines HASSELBLAD H SYSTEM Proshade V H 60 90 Product number 3040740 The Proshade V H 60 95 is an adjustable bellows lens shade that provides highly efficient protection against stray light Its compact flat folding design saves space in the equipment case By using the Proshade adapt ers this shade can be fitted to all Hasselblad H system lenses as well as all V system lenses except the Dista gon CFi 30 mm and Tele Superachromat FE 300 mm The shade features a filter holder for glass gelatin or plastic filters The bellows folds down for easy access to the filter holder or for viewing without filter The Hasselblad Proshade V H 60 95 is supplied with a Proshade mask 6093 250 3040312 Optional masks and adapters also available please see website for details UV sky filters Absorbs UV radiation and reduces blue haze without affecting colors Protects the front lens surface UV sky 67 mm Product number 3053470 UV sky 77 mm Product number 3053474 UV sky 95 mm Product number 3053478 Polarizing filters Reduces reflection and increases color satur
15. ation in e g green foliage or a blue sky C pola 67 mm Product number 3053482 C pola 77 mm Product number 3053486 C pola 95 mm Product number 3053490 Disposal of Waste Equipment by Users in Private Households in em the European Union This symbol on the product or on its packaging indicates that this product must not be disposed of with your other household waste Instead it is your responsibility to dispose of your waste equipment by handing it over to a designated collection point for the recycling of waste electrical and electronic equipment The separate collection andlecycling of your waste equipmentat the time of disposal will help to conserve natural resources and ensure that it is recycled in a manner that protects human health and the environment For more informa tion about where you can drop off your waste equipment for recycling please contact your local city office your household waste disposal service or the dealer where you purchased the product Smaltimento delle ap parecchiature da parte di privati nel territorio mmm dell Unione Europea Questo simbolo presente sul prodotto osulla sua confezione indica che il pro dotto non pu essere smaltito insieme ai rifiuti domestci Eresponsabilita dell utente smaltire le apparecchia ture consegnandole presso un punta di raccolta designato al riciclo e allo smaltimento di apparecchiature elettriche ed elettroniche La raccolta differenziata
16. control wheels on the camera grip As a general rule lens shades should always be fitted to achieve optimum perform ance Protective filters UV Sky should also be considered at least when working outdoors in harsh conditions Parts 1 Lens shade index Manual focus ring Focusing distance scales Depth of field scales Lens index mo D gt Ed Attaching a lens 2 3 Remove the front protective cover on the camera body by depressing the lens release button and keeping it depressed while turning the cover counter clockwise Remove the rear lens cap by unscrewing it in a counter clockwise direction Align the index on the lens with the index on the camera body and rotate the lens clockwise bayonet fitting until it clicks into place Removing a lens Depress the lens release button and keep it depressed while rotating the lens counter clockwise until it stops and lift it out Replace protective caps on the lens immediately and on the camera body if necessary If you try to rotate the lens before you press the lens release button it might lock In this case rotate the lens clockwise a little first and then re attempt removal with the correct procedure button first then lens zl bara I A K A Front lens cap 4 Front lens caps are released for removal and attachment by inserting a thumb and index finger into the recesses and pinching in the direction of the arrows Filters Filters have a screw thread
17. do no lixo Dom stico Este s mbolo no produto ou na respectiva embalagem indica que este material n o deve ser destruido com outro lixo dom stico da sua responsabilidade destruir o equipa mento usado levando o para um local de recolha apropriado destinado reciclagem de produtos el ctricos e electr nicos usados A recolha e reci clagem sepaiada do seu equipamento dom stico quando da destruic o aju dar a preserver os recursos naturais e a assegurarque ele reciclado atrav s de um processo que protege a sa de humana e 0 ambiente Para obter mais informac es sobre onde pode colocar oseu equipamento usado para recicla gem contacte aentidade respons vel local o servi o de destrui o do lixo dom stico ou a loja onde adquiriu o produto Elimination des appareils mis au rebut parles m nages dans mu l Unioneurop enne Le symbole appos sur ce produit ou sur son emballage indique que ce produit ne doit pas tre jet avec les d chets m nagers ordinaires Il est de votre responsabilit de mettre au rebut vos appareils en les d posant dans les centres de collecte publique d sign s pourle recyclage des quipe ments lectriques et lectroniques La collecte et le recyclage de vos appareils mis au rebut ind pendamment du reste des d chets contribue la pr servation des ressources naturelles et garantit que ces appareils seront recycl s dans le respect de la sant humaine et de l enviro
18. e il corretto riciclo delle apparecchiature da smaltire permette di proteggere la salute degli individui e l ecosistema Per ulteriori informa zioni relative ai punti di raccolta delle apparecchiature contattare l ente locale perlo smaltimento dei rifiuti oppure il negozio presso il quale stato acquistato il prodotto Entsorgung von Altgeraten aus privaten Haushalten in der EU Das Symbol auf dem Produkt oder seiner Verpackung weist daraufhin dass das Produkt nicht ber den nor malen Hausm ll entsorgt werden darf Benutzer sind verpflichtet die Altgerate an einer R cknahmestelle f r Elektro und Elektronik Altgerate abzugeben Die getrennte Sammlung und ordnungsgemalBe Entsorgung Ihrer Altgerate tragt zur Erhaltung der nat rlichen Ressourcen bei und garantiert eine Wiederverwertung die die Gesundheit des Menschen und die Umwelt sch tzt Informationen dazu wo Sie Riicknahmestellen f r Ihre Altgerate finden erhalten Sie bei Ihrer Stadtverwaltung den rt lichen M llentsorgungsbetrieben oder im Geschaft in dem Sie das Gerat erworben haben Verwijdering van afgedankte apparatuur door privegebruikers in mu deEuropese Unie Dit symbool op het product of de ver pakking geeft aan dat dit product niet mag worden gedeponeerdbij het normale huishoudelijke afval U bent zelfverantwoordelijk voor het inleveren van uw afgedankte appa ratuur bij een inzamelingspunt voor het recyclen van oude elektrische en elektron
19. few degrees to the left produces an image with an apparent shallow depth of field HASSELBLAD HTS 5 STITCHING The HTS 1 5 lends itself extremely well to automatic stitching to create a panoramic image in super high quality With most subjects it will be impossible to detect any dividing line between the separate images The main reasons for this are The lens is shifted sideways and therefore does not produce any distortion of the subject The DAC lens correction for distortion and vignetting ensures perfect images that can easily be stitched together The resulting image can be created in any high end stitching software e g the Photomerge function in Adobe Photoshop CS3 or later PROCEDURE Place the camera on a tripod and aim it at a subject Then set the HTS 1 5 in the normal position with no tilt or shift Rotate the HTS 1 5 with the controls facing up to allow for sideways shift Make the first exposure in the mid position Shift to both end positions and make an exposure in each position Develop the three images with DAC turned on Import the images into the stitching software and follow the instructions In the case of Adobe Photoshop CS3 use the following proce dure open the three images Go to menu File Automate Photomerge Click on add open files and check interactive layout Click OK In the preview that appears you can choose to modify the layout but in most cases there will be no need for any m
20. fitting 6 7 77 95 mm according to lens and are screwed clockwise into place As there is no rotation of the front section of the lens when focus is changed filters do not rotate either This is particularly useful when us ing polarizing or graduated filters where the orientation is normally critical Lens shades 5 6 All lenses are supplied with lens shades that additionally provide extra protection for transport and storage when mounted in reverse Lens shades have a bayonet fitting and are turned clockwise into place after ensuring the index on the lens shade aligns with the index on the front of the lens When mounted in reverse they are attached by matching the indexes and turn ing counter clockwise Shutter and aperture control Both the shutter and aperture are elec tronically controlled and are adjusted by the control wheels on the grip There are no separate manual setting rings on the lenses or camera body The settings manual auto matic or programmed are displayed both on the grip LCD and in the viewfinder LCD gt fe 6 8101525 pf 4 3 5 RM QUO TEE 3222 1140411 2232 Depth of field calculation T There are two distance scales in feet and metres visible through the focus distance window on the upper part of the lens bar rel There is also a central lens index mark and a depth of field scale The focusing distance is read off the chosen scale from the central lens index Depth of
21. focus setting Focus is correct when both arrowheads are visible together Focus is incorrect if only one arrowhead is visible If the focus can not be established then both arrowheads flash True Focus 13 All HAD camera models include the True Focus feature that helps in improving focus accuracy in certain situations fashion photography in particular Please see the H4D User Manual for full explanation and description Technical Specifications Lists most of the user level technical specifications for all models Please note that there is additional information for HC 4 120 HC 3 5 300 HC 3 5 4 5 50 110 Zoom HC 4 0 5 6 35 90 Aspherical Zoom As the Hasselblad lens range undergoes continual development please occasionally check the Hasselblad website www hasselblad com for updates and downloads of technical information HASSELBLAD HCD 4 28 Product number 3023028 The HCD 28mm lens has been designed to be compact and to deliver optimal performance when used with the 48x36mm sensor of the Hasselblad H3D Image quality from the Hasselblad H3D is refined with integral use of Digital APO Correction which perfects the raw image by digitally removing any color aberration and distortion The resulting raw images have perfect pixel definition optimal for image rendering GENERAL LENS DATA Focal length 28 9 mm Aperture range 4 32 Angle of view diag hor vert 95 83 66 Length diameter 102 mm 100 mm
22. ht mm image scale 1 2 Modulation Transfer as a func tion of image height at infinite focus setting Sagittal slit orientation drawn with continuous line and tan gential with dashed White light Spatial frequencies 10 20 and 40 Ip mm Cc E 2 o 2 fo Y 12 9 2 D A 0 1 2 MTF 10 20 Image height mm 10 20 Image height mm f 4 MTF 0 10 20 Image height mm Image height mm 30 30 es 2 w E 2 5 aa Image height mm Infinity setting 1 x S 0 2 2 A 1 0 10 20 30 Image height mm Infinity setting 30 HASSELBLAD HC Macro 4 120 FULL SCAN 0 39 m oo INF SCAN 0 9 m 00 NEAR SCAN 0 39 m 1m COMPATIBILITY When the H 1 7x Converter is used together with the HC Macro 120 mm the autofocus function of the camera is disabled In addition to the metres feet scale the 120 mm lens also displays magnification ratio scale A In the illus tration the scale shows a focusing distance of 1 27 feet 0 39 metres which in turn produces a 1 1 lifesize magnification With the 120mm lens mounted on the camera addition screens will appear on the grip LCD when autofocus is chosen to signify a focus limit setting Three are avail able Full scan Infinity scan and Near scan accessed by the rear control wheel This time saving function is a form of presetting that restrict
23. iew diag hor vert 70 59 46 Length diameter 116 mm 85 mm Weight 975 E Filter diameter 77 mm CLOSE FOCUS RANGE DATA Minimum distance object to film 0 6m Maximum image scale 1 3 9 Corresponding area of coverage 50 x 37 cm Corresponding exposure reduction O f stop LENS DESIGN 10 elements in 9 groups FOCUS TYPE Rear focusing l ENTRANCE PUPIL POSITION t ih 137 mm in front of the film plane at infinite focus setting The entrance pupil position is the correct position of the axis of rotation when making a panorama image by combining individual images of a scene MTF Modulation Transfer as a func f 3 5 1 8 tion of image height at infinite focus setting MTF 9 Sagittal slit orientation drawn with continuous line and tan gential with dashed White light Spatial frequencies 10 20 and 40 Ip mm Image height mm Image height mm HASSELBLAD HC 3 5 50 Relative illumination Image height mm S 2 E O S 2 10 20 30 Image height mm HASSELBLAD HC 2 09 80 Product number 3023080 GENERAL LENS DATA Focal length 82 3 mm Aperture range 2 8 32 Angle of view diag hor vert 46 38 29 Length diameter 70 mm 84 mm Weight 475 8 Filter diameter 67 mm CLOSE FOCUS RANGE DATA Minimum distance object to film 0 70 m Maximum image scale 1 6 5 Corresponding area of coverage 36 x 27 cm Corresponding exposure reduction 0 3 f stop LENS DESIGN 6 elements in 6 gr
24. ische apparatuur Door uw oude apparatuur apart aan tebieden en te recyclen kunnen natuurlijke bronnen worden behouden en kan het materiaal worden hergebruikt op een manier waarmee de volksgezond heiden het milieu worden beschermd Neem contact op met uw gemeente het afvalinzamelingsbedrijf of de win kel waar u het product hebt gekocht voor meer informatie over inzame lingspunten waar u oude apparatuur kunt aanbieden voor recycling Eliminaci n de residuos de equipos el ctricos y electr nicos por parte de usuarios particu lares en la Uni n Europa Este s mbolo en el productoo en su envaseindica que no debe eliminarse junto conlosdesperdicios generales de la casa Es responsabilidad del usua rio eliminar los residuos de este tipo deposit ndolos en un punto limpio para el reciclado de residuos el ctri cos y electr nicos La recogida y el reciclado selectivos de los residuos de aparatos el ctricos en el momento de sueliminaci n contribuir a conservar los recursos naturales y a garantizar el reciclado de estos residuos de forma quese proteja el media ambiente yla salud Para obtener m s informaci n sobre los puntos de recogida de re siduos el ctricos y electr nicos para reciclado p ngase en contacto con su ayuntamiento con el servicio de eliminaci n de residuos dom sticos o con el establecimiento en el que adquiri el producto Destruic o por Utilizadores na Uni o Europeia de Equipamento Usa
25. m Product number 3053526 H 52mm Product number 3053552 Hasselblad H extension tubes 3053513 3053526 3053542 are designed to enable H lenses to focus at closer distances The greater the extension the greater the magnification of the image The tubes can be used individually in combination with each other or in combination with other accessories according to the application or desired effect H extension tubes can only be used together with Hasselblad H cameras and H lenses GENERAL Tubes can be attached either to the lens first or directly to the camera whichever is preferred There are no re strictions about the combination or order in which tubes are mounted They can be used together with any H lens though conventional practice regarding the unsuit ability of certain lenses for close up work still applies Extension tubes can also be used in combination with a Converter H 1 7x though in this case they should be mounted between the converter and the lens Autofocus remains operable until a message is displayed on the LCD stating that autofocus is no longer possible with that specific combination and setting ATTACHING AND REMOVING EXTENSION TUBES Extension tubes are attached and removed in the same manner as a lens LIGHT METERING The TTL metering system automatically takes into account exposure adjustment requirements for general purposes However for critical applications alternative exposure settings should be made
26. manual distance setting by using the distance scales together with the infrared mark instead of the central lens index Focus in general There are three focus modes Automatic Manual and True Focus all set on the cam era grip It is possible to combine some of these modes to suit your preferred way of working Please see the H4D camera manual for a full explanation Focus assist 10 11 12 As well as the conventional view on the focusing screen to ensure a sharp image H cameras also feature LED focus assist capability appearing as two arrowheads to the right of the viewfinder display except for lenses with a maximum aperture of f 6 or smaller The arrowheads provide confirmation of a precision focus setting and are a useful aid when making a setting with eyesight alone Lens focus setting too far be yond the distance of the subject framed by the central section in the viewfinder Focus setting too close for the dis tance of the subject framed by the central section in the viewfinder Focus setting correct Manual focus setting When the left arrowhead alone appears it means the focus setting is too far beyond the chosen distance the area framed with in the central zone in the viewfinder and when the right arrowhead alone appears it means the focus setting is too close Focus is correct when both arrowheads appear together If the focus cannot be established then both arrowheads flash Automatic
27. mm 177 mm W HC 80mm 119 mm W HC 100mm 109 mm HCD28 In front of the image plane at infinity focus setting The entrance pupil position is the correct position of the axis of rotation when making a panorama image by combining individual images of a scene HC 35 HC 50 HC 80 HC 100 HASSELBLAD HTS 5 CLOSE FOCUS RANGE DATA Lens Minimum distance Maximum image scale Coverage Exp reduction HCD 4 28 mm 0 39 m 1 4 7 23 cm x 17 cm HC 3 5 35 mm 0 54 m 1 6 2 30 cm x 23 cm HC 3 5 50 mm 0 64 m 15 7 28 cm x 21 cm O EV HC 2 8 80 mm 0 74 m 1 4 2 21 cm x 15 cm 0 3 EV HC 2 2 100 mm 0 94 m 1 4 6 22 cm x 17 cm 0 5 EV COMPATIBILITY The HTS 1 5 adapter is compatible with all H System cameras Support for digital image corrections only with Hasselblad CF card based digital capture products The HTS 1 5 adapter is optimally designed for the following lenses Lens Equivalent lens with the HTS 1 5 Angle of view diag hor vert HCD 4 28 mn 1 59 45 135 25 mm 59 49 87 HC 2 8 80 mm 4 5 128 mm ZEN The HC150 HC210 and the HC300 will fit onto the adapter but handling and performance can be compromized The HTS 1 5 is not compatible with The H1 7X converter The CF lens adapter HC 50 110 mm HCD 35 90 mm HC 120 mm Autofocus focus confirmation disabled HASSELBLAD HTS 5 COMPATIBLE LENSES AND EXTENSION TUBES HCD28 HC35 HC50 HC80 and HC100 Extension tube 13mm 26mm and 52mm HC35
28. mparative analysis So now we have three sets of tangential sagittal grouped curves A tangential orienta tion normally causes less resolution than sagittal and is often represented by a dashed line or different color on the diagram Near the center and at 40 Ip mm there is virtually no difference in the sharpness of tangential and sagittal patterns Half way towards the edges ofthe frame there is a slight difference Just at this point this lens would produce slightly better sharpness of tangential patterns Image center Image corner How do you read MTF diagrams From the final diagram above you can see how at 10 Ip mm the orientation of patterns in the image is not too significant for good perception of sharpness whereas for finer details at 40 Ip mm the orientation of patterns in an image plays a larger part You can also see that at a specific point on the 40 Ip mm curves a tangential orientated pattern would actually produce a slightly sharper result than sagittal patterns Simply put if there was a perfect lens then all six curves would be high and flat and across the graph Being able to read and understand the basics of MTF diagrams will help you compare different lenses and of course aid you in predicting the optimum set tings for specific situations Comparing formats When comparing MTF diagrams representing different formats cautious interpretation should be used To make a scientifically correct compa
29. ng the lens or lens camera combination down in a vertical orientation on a surface as in illus tration B that is resting on the front of the lens should be avoided at all times HASSELBLAD HCD 4 0 5 6 35 90 Aspherical GENERAL LENS DATA Focal length Aperture range Angle of view diag hor vert Length diameter Weight Filter diameter Equivalent lens in 35 mm format CLOSE FOCUS RANGE DATA Minimum distance object to image plane Maximum image scale Corresponding area of coverage Corresponding exposure reduction COMPATIBILITY The HCD 4 0 5 6 35 90 mm lens is not compatible with the converter H1 7x and the HTS 1 5 Tilt Shift adapter It can be used on the H3DII 60 but in the Product number 3023590 36 3 87 mm 4 0 5 6 32 83 T0 55 39 31 24 167 mm 102 5 mm 1410 g 95 mm 27 64 mm HCD 35 on 0 65 m 1 13 1 5 4 64 x 48 26 x 20 cm O f stop 35 mm setting a marginal automatic crop will be introduced LENS DESIGN 13 elements in 11 groups 1 Aspherical surface FOCUS TYRE Internal focusing 35 mm ENTRANCE PUPIL POSITION 187 mm 178 mm 193 mm 35 mm setting 50 mm setting 90 mm setting In front of the image plane at infinite focus setting 50 mm The entrance pupil position is the correct position of the axis of rotation when making a panorama image by combining individual images of a scene
30. nnement Pour obtenir plus d informations sur les centres de collecte et de recyclage des appareils mis au rebut veuillez contacter les autorit s locales de votre r gion les services de collecte des ordures m nag res ou le magasin dans lequel vous avez achet ce produit Bortskaffande av avfallsprodukter fr n anvandare i privathus hall inom Europeiska Unionen Om den har symbolen visas pa pro dukten eller forpackningen betyder det att produkten inte far sl ngas p samma stalle som hushallssopor stallet ar det ditt ansvaratt bortskaffa avfallet genom att overlamna det till ett uppsamlingsst lle avsett for atervinning av avfall fran elektriska och elektroniska produkter Separat insamling och tervinning av avfallet hj lper till att spara p v ra naturre surser och g r att avfallet tervinns p etts ttsom skyddar m nniskors h lsa och milj n Kontakta ditt lokala kom munkontor din n rmsta tervinnings station for hush llsavfall eller aff ren d r du kopte produkten for att fa mer information om var du kan l mna ditt avfall for tervinning Hasselblad A S Hejrevej 30 DK 2400 Copenhagen Denmark For the following products 3023028 3023035 3023050 3023080 3023100 3023120 3023150 3023210 3023300 3023511 3023590 3023717 3043400 3043500 3053513 3053526 3053552 3043500 3040740 3053470 3053474 3053478 3053482 3053486 3053490 5013051 INF UM V4 ENG 2011 Copyright
31. ns HASSELBLAD HC 3 5 4 5 50 110 Product number 3023511 GENERAL LENS DATA Focal length 51 5 108 3 mm Aperture range 3 5 4 5 32 Angle of view diag hor vert Length diameter 152 mm 103 mm Weight 1650 g Filter diameter 95 mm CLOSE FOCUS RANGE DATA Minimum distance object to film 0 70 m Maximum image scale 110 8 155 2 Corresponding area of coverage 60 x 45 29 x 21 cm Corresponding exposure reduction O f stop COMPATIBILITY 69 58 46 35 29 22 The HC3 5 4 5 50 110 mm lens is not compatible with the converter 1 7x LENS DESIGN 14 elements in 9 groups FOCUS TYRE Front focusing ENTRANCE PUPIL POSITION Sou 50 mm setting 164mm 80 mm setting 161mm 110 mm setting 173 mm In front of the film plane at infinite focus setting 80 mm The entrance pupil position is the correct position of the axis of rota tion when making a panorama image by combining individual images of a scene 110 mm HASSELBLAD HC 3 5 4 5 50 110 MTF Modulation Transfer as a func tion of image height at infinite focus setting Sagittal slit orientation drawn with continuous line and tan gential with dashed White light Spatial frequencies 10 20 and 40 Ip mm 50 mm 80 mm 110 mm MTF MTF MTF 100 80 60 40 20 100 80 60 40 20 10 20 30 Image height mm f 4 5 10
32. nt three levels of detail that could be present in any given subject Standard practice often emulated digitally nowadays has been to use sets of black and white lines that produce patterns at specific lines per millimeter Ip mm measured at the image plane 1mm Example with 10 Ip mm As the level of detail increases the contrast decreases which in turn produces an ap parent decrease in sharpness So three curves now appear on the diagram one for each of the three patterns 100 i IN ser 60 3 ES LL E 40 a TT ot 0 i 0 10 20 30 Image center MEA To expand the idea even further other properties inherent in all optics are also taken into account It involves the actual orientation of perceived patterns in regard to the lens and thereby final image representation Patterns that appear to be streaming out from the center of the image are called sagittal and patterns that appear to be at right angles to the center are called tangential Tangential pattern Examples of tangential Image frame and sagittal type patterns at the corners of the Sagittal pattern image Normally tangential patterns are not as sharply defined as sagittal patterns and so re quire a separate curve to provide a fair representation of a real world situation As both tangential and sagittal valuations are taken from the same Ip mm pattern sets they are grouped together on the diagram for easier co
33. ormal perpendicular orienta tion of the lens to the film plane is changed resulting in a change in the plane of focus This means that at any given aperture focus setting the depth of field in the subject will not remain as simply the space between two measured points from the camera as is normally the case but increased or decreased This amount is user controlled Once again simple but ingenious By combining these two laws of physics the doors of creative solutions are thrown wide open The list of situations that could advantageously exploit tilt and shift is probably longer than it might first appear to be For some professional photographers it could rapidly become an essential item for all work But the story doesn t end there Large format users have been using tilt and shift for many years partly because they could but partly because they had to Some photographic solutions unfor tunately have also created problems lens edge performance for example being one of them The dilemma that arose forced photographers to find a compromise between the illness and the cure Hasselblad has now eradicated this dilemma With the introduction of automatic chromatic aberration correc tion computation DAC significant improvements strike the viewer immediately All calculations and adjustments take place in the background monitored and governed by sensors in the adapter The sharpness at the edge of the frame despite the fact
34. oups FOCUS TYPE Full focusing ENTRANCE PUPIL POSITION 79 mm in front of the film plane at infinite focus setting The entrance pupil position is the correct position of the axis of rotation when making a panorama image by combining individual images of a scene MTF Modulation Transfer as a func tion of image height at infinite focus setting Sagittal slit orientation drawn MTF with continuous line and tan gential with dashed White light Spatial frequencies 10 20 and 40 Ip mm 0 10 20 30 Image height mm Image height Mm HASSELBLAD HC 2 8 80 Relative illumination Image height mm lt 59 E O A 10 20 30 Image height mm HASSELBLAD HC 2 27 100 Product number 3023100 GENERAL LENS DATA Focal length 100 0 mm Aperture range 22 32 Angle of view diag hor vert 38 31 24 Length diameter 80 5 mm 87 5 mm Weight 780 g Filter diameter 77 mm CLOSE FOCUS RANGE DATA Minimum distance object to film 0 90 m Maximum image scale 172 Corresponding area of coverage 39 x 29 cm Corresponding exposure reduction 0 4 f stop LENS DESIGN 6 elements in 5 groups FOGUS TRE Full focusing I ENTRANCE PUPIL POSITION 68 mm in front of the film plane i at infinite focus setting The entrance pupil position is the correct position of the axis of rotation when making a panorama image by combining individual images of a scene MTF 2 2 5
35. practical and mechanical advantages and aspects of Hasselblad lenses then the proof comes down to the technical data To compare the technical aspects of larger format lenses with 35mm lenses demands a common measurement system Thankfully such a system Modulation Transfer Function curves MTF for short does exist but in order to be accurate lenses must be measured according to firmly established laws of physics that take into account the reality of a given situation Unfortunately this isn t always the way such measurements are carried out and until there is a universal agreement regarding standards and praxis simple MTF comparisons can be at best confusing and at worst extremely misleading What is an MTF curve Simply put it is a graph that shows how sharp the lens is at various points across the image in relation to the level of detail in the subject A simple MTF curve looks like this 100 80 60 40 MTF 20 Image centre Image corner The left side of the diagram represents the central part of the image and the right hand side of the diagram represents the corner of the image The higher up the diagram the curve is the more contrast and thereby sharpness can be seen So from this diagram we see that the lens is very sharp near the central section of the image but drops away as we move out towards the corners the most common situation To expand on this idea three different evaluations are made that represe
36. remely good It should be emphasised though that this difference is only noticeable under great magnification and in most practical situa tions is very difficult to perceive In addition an H system file being at least twice as large as a 35 DSLR file will sample an image with finer pitch as there are many more pixels This means that the im age reaching the H sensor which is already of a higher quality because of the lenses is sampled with higher resolution and so provides a far superior image quality Comparing lenses therefore can involve a number of important factors correctly produced and interpreted MTF diagrams being just one part Conclusion As mentioned before there are subjective considerations to add the final equation Personal taste is impossible to quantify how sharp should a portrait lens be so it s also down to each photographer to base their valuations on a balanced mix of scientifically cor rect data practicalities that match specific requirements and aesthetic considerations Browse through this folder and you will certainly find another lens that would prove very useful Your Hasselblad dealer will be glad to demonstrate it for you and perhaps arrange a test run They are all extremely good so expect tremendous results We wish you happy shooting with your new Hasselblad H lens Visit www hasselblad com to download user manuals datasheets product brochures technical information technical articles
37. rison test patterns measured in lines per millimeter would have to be 15 30 and 60 Ip mm for 35mm format and 10 20 and 40 Ip mm for the H System format to compensate for the difference in magnifica tion You therefore cannot directly compare the MTF diagrams for 35mm format to the diagrams from a larger format using the same test diagrams Photo Chris Simpson Hasselblad Master The smaller format needs higher magnification to produce a given image size compared to the larger format If you compare H system lenses with 35mm lenses with the above in formation in mind you get the following MTF diagrams Note that they are based on actual measured data Canon 16 35 2 8 20 mm and f 2 8 ni 0 0 2 0 4 0 6 0 8 1 0 0 0 2 0 4 0 6 0 8 1 0 15 30 60 Ip mm 21mm 10 20 40 Ip mm 30 mm Canon 50 1 4 f 2 HC 80 2 8 f 2 8 T r r AR ns mn a u uno nu P In this illustration an MTF chart is laid over an image to help demonstrate the relationship between curves and what they represent in practice In this case you should expect exceptional sharpness in the center as indicated by the very high position of the curves on the chart Towards the edge of the frame and at another aperture setting the curves are lower down on the chart indicating a slight decrease in sharpness compared to the cen ter Nevertheless the sharpness remains ext
38. s the scanning range of the lens to prevent it searching across the whole focus scale Simply make a rough assesment of the approximate focusing distance and then choose the most suitable of the three ranges The lens will then be able to find the critical focus much faster HASSELBLAD HC 3 2 150 Product number 3023150 GENERAL LENS DATA Focal length 150 0 mm Aperture range 3 2 45 Angle of view diag hor vert 26 21 16 Length diameter 124 mm 86 mm Weight 970 g Filter diameter 77 mm CLOSE FOCUS RANGE DATA Minimum distance object to film 1 30 m Maximum image scale 1 6 8 Corresponding area of coverage 38 x 28 cm Corresponding exposure reduction O f stop LENS DESIGN 9 elements in 8 groups FOCUS TYPE Internal focusing ENTRANCE PUPIL POSITION 68 mm in front of the film plane at infinite focus setting The entrance pupil position is the correct position of the axis of rotation when making a panorama image by combining individual images of a scene MTF Modulation Transfer as a func tion of image height at infinite focus setting Sagittal slit orientation drawn MTF with continuous line and tan gential with dashed White light Spatial frequencies 10 20 and 40 Ip mm Image height mm Image height mm HASSELBLAD HC 3 2 150 Relative illumination Image height mm Infinity Distortion 10 20 10 20 30 Image height mm Image height mm HA
39. s with all previous Hasselblad products when designing the H system lenses we have utilized the knowledge we have gained over the years by working with the world s top lens manufacturers such as Carl Zeiss Fuji Kodak Rodenstock and Schneider The result is the best lens line available to photographers today AIT H system lenses are engineered to ensure optimal performance and image quality whether shooting film or digital Hasselblad closely monitors production quality to ensure that our extremely high specifications are met H system lenses have very accurate electronic shutter mechanisms that deliver sync flash at all speeds and a multi coating treatment that results in efficient stray light elimination An integral focus drive motor instant access to manual focus without switching between manual and autofocus and other functions add to the list of features In order to ensure their reliability and durabil ity year after year Hasselblad lenses use metal not plastic wherever possible In short they are professional level lenses designed for professional level photographers In the long run however these are merely technical details The true test of any lens is image quality To objectively define image quality demands that we carry out certain types of measurement This also means that when comparing lenses regardless of make that we must use the same types of measurement otherwise any comparisons are meaningless As the saying goes
40. signed for the HCD28mm HC35mm HC50mm HC80mm and the HC100mm lenses it in effect adds five different tilt and shift lenses to the range With the extension tubes H13 H26 or H52 the HTS 1 5 can also be used for close up work This simple device solves not only technical challenges but also provides exciting opportuni ties for creative solutions as well The combina tion of well known optical principles combined with the latest in digital image control provides a powerful package that will expand photo graphic expression to new levels Hasselblad holds a patent pending on the AUS a5 Product number 3043400 HASSELBLAD A comprehensive user manual is available as a free download from www hasselblad com Shift is the moving of a lens up and down or to the sides from its central position while retaining its perpendicular orientation to the film plane Simply put the adapter expands the diameter of the projected image circle at the film plane This allows for much greater freedom in placing the image area within the now much broader circle before vignetting takes effect And most importantly all this happens without moving the orientation of the camera in relation to the subject So if verticals for example are acceptable in the view finder they will remain so whatever the amount of shift to include the hidden parts of the image Simple but ingenious Tilt differs from shift in that the n
41. that the lens is pushed to its limits remains stunning On the creative front it has long been standard practice for photographers to break the rules in order to produce images that show something just a little different Large format users were well acquainted with the imaginative possibilities that arose from making the wrong camera or lens movements And now Hassel blad users can enjoy this stimulating freedom as well Fascinating and captivating images are easily conjured up and controlled with just a few slight movements The combination of large sensors and razor sharp lenses and now tilt and shift possibilities Hassel blad has brought some of the creative aspect of former large format world to the digital medium format Take a look at this revolutionary accessory at your nearest Hasselblad dealer Try it yourself out to see how this new product could rapidly become an essential part of your photography toolkit The powerful combination of tilt shift and DAC can bring new per spectives to your photographic vision and provide a marked change in both the technical and creative aspects of your work HASSELBLAD HTS 5 Front view Rear view HASSELBLAD HTS15 GENERAL LENS DATA Focal length conversion factor 1 5x Aperture reduction 1 3 stops Width Height Depth 140 mm 146 mm 77 mm Weight 750 g LENS DESIGN 6 elements in 5 groups ENTRANCE PUPIL POSITION W HCD 28mm 175 mm W HC 35mm 192 mm W HC 50
42. tortion Image height mm HASSELBLAD HC 3 87 35 Product number 3023035 GENERAL LENS DATA Focal length 35 8 mm Aperture range 3 5 32 Angle of view diag hor vert 89 78 63 Length diameter 124 mm 100 mm Weight 9758 Filter diameter 95 mm CLOSE FOCUS RANGE DATA sano Minimum distance object to film 0 50 m Kan BaT Maximum image scale 1 9 6 Corresponding area of coverage 54 x 40 cm Corresponding exposure reduction O f stop COMPATIBILITY The HC3 5 35 mm lens is not compatible with the converter 1 7x LENS DESIGN 11 elements in 10 groups FOCUS TYPE Rear focusing l ENTRANCE PUPIL POSITION 5 Re 152 mm in front of the film plane at infinite focus setting The entrance pupil position is the correct position of the axis of rotation when making a panorama image by combining individual images of a scene MTF Modulation Transfer as a func 100 100 tion of image height at infinite focus setting Sagittal slit orientation drawn MTF with continuous line and tan gential with dashed White light Spatial frequencies 10 20 and 40 Ip mm 0 10 20 30 0 10 20 30 Image height mm Image height mm HASSELBLAD HG 3 0730 Relative illumination Image height mm Distortion 10 20 30 Image height mm HASSELBLAD HC 3 07 50 Product number 3023050 GENERAL LENS DATA Focal length 50 3 mm Aperture range 3 5 32 Angle of v
43. um image scale 17 5 Corresponding area of coverage 41x31 cm Corresponding exposure reduction O f stop COMPATIBILITY When the HC300 is used together with the H1 7X converter the autofocus function of the camera is disabled LENS DESIGN 9 elements in 7 groups FOCUS TYPE Internal focusing ENTRANCE PUPIL POSITION 13 mm in front of the film plane at infinite focus setting The entrance pupil position is the correct position of the axis of rotation when making a panorama image by combining individual images of a scene MTF f 4 5 Modulation Transfer as a func tion of image height at infinite focus setting Sagittal slit orientation drawn with continuous line and tan gential with dashed White light Spatial frequencies 10 20 and 40 Ip mm 0 10 20 30 Image height mm MTF 10 20 30 Image height mm HASSELBLAD HC 4 5 300 Relative illumination Image height mm S c 2 t A Q 20 30 Image height mm HASSELBLAD HC 4 5 300 PORTRAIT ORIENTATION When using a tripod with a 300mm you should use the removable tripod mounting bracket to provide optimum balance This is attached via a sleeve so that the camera body can be rotated for landscape portrait formats with out altering the tripod head position The rotation is secured by a locking screw A Correct 90 orientation can be ensured by aligning white index markers B for both landscape and portrait orienta tio
44. you can t compare apples with oranges So in order to simplify matters we use objective measurements such as MTF curves for example We still however must take into account certain subjective aspects such as the quality of the blurred or out of focus areas of the image the bokeh for example Subjective aspects are a matter of personal taste but objective measurements are not This booklet therefore discusses how we at Hasselblad view these scientific measure ments and the other related aspects that combine to produce the legendary Hasselblad image quality The advantage of a larger sensor When using film there was a great quality advantage in using a larger format as it re quired less magnification than smaller formats to reproduce any given size image Simply put film grain was enlarged less and was therefore less visible in the final image This advantage is still relevant for digital capture and for exactly the same reasons It makes sense then that modern professional format lens design is based on the same require ments It also means that the same advantages of larger format lens design remain To take just one example since larger format lenses use smaller apertures to produce the same depth of field as compared to smaller formats you can get optimum quality at such settings much more often Basically a larger format enables easier design of extremely high quality lenses If you choose however to disregard all the
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