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Asahi Pentax MX Instruction Manual

1. 135 5mm x 83 5mm x 49 5mm 495 grams LENS MOUNTING 1 Remove the rear lens and body mount covers 2 Match the red dot on the camera body with the red dot 9 on the lens Insert the lens into the body and turn it clockwise until the lens locks with a click 3 In the dark when the red dots are difficult to see align the upraised white dot 9 on the lens barrel with the lens release lever 9 by touch Then turn and lock as above 4 To detach hold the camera with your left hand Depress the lens release lever 9 while turning the lens counter clockwise with your right hand down without the rear lens cap place it front element down never front element up 69 Two Alkaline batteries are packed separately Be sure to insert them into the battery chamber before operating the camera phonograph record It can be damaged by skin acids Handle by the edges with a dry cloth before insertion into the camera Also be especially sure to wipe off the battery with a cloth when they are saited The battery is not rechargeable Do not throw a dead battery into a fire as it may explode Also keep it beyond the reach of small children e7 INSERTING BATTERIES mma mo AA in au er aa yer EEE e INSERTION Open the battery chamber cover with a coin Insert the two batteries into the battery holder of the cover as shown above each with 4 side facing up CHECK To check battery life de
2. pEIE a SE HEU SMC Pentax lenses and Pentax accessories are engineered and produced meticulously to precise Pentax specifications Lenses and accessories from other manufacturers are not produced to these precise specifications and therefore may cause difficulties with or actual damage to a Pentax camera Pentax cannot assume any responsibility for difficulties resulting from the use of any other brand of lenses or acces sories with Pentax camera o i nrl agg Qd n m Y an 9 n Pr u J H e 1 CONTENTS Nomenclature ueerrvsenevanersnesvorevevavenevssavevsnnvervrrerunvannnarnnnsasvanarevaneener 2 Specifications isses nennen nennen enne ntn nennen E 4 Lens Mounting ereersovoervenrennvrnersonnnsnannvanenersepnnnavanesenvnnrranennsaveneere 6 Inserting Batteries uu maana sawaan mwaa kaan kanaman mamasa nne 7 Basic Operating InstructiOns seen nnne 8 Film Loading and Winding nanana udeeiiu sae KAHERA 10 Setting ASA Film Speed eseeennee nee 11 Setting the Shutter Speed Dial eene 12 Composing and Focusing esee 13 Exposure Measurement eneememHeeee remm 14 Holding the Camera sess retener 15 Unloading Film anvavneaaerananaptn ssapnavepsvanevanapevanernnonsenpensevennasernevennesvanserer 16 Flash Synchronization sse 18 Depth of F
3. In this case it will take a considerable length of time before the equipment can be returned to you owing to the complicated customs procedures required in Japan in importing and re exporting photographic equipment If the equipment is covered by warranty repairs will be made and parts replaced free of charge and the equipment will be returned to you upon completion of servicing if the equipment is not covered by warranty regular charges of the manufacturer or of its representatives will apply Shipping charges are to be borne by the owner If your Pentax was purchased outside of the country where you wish to have serviced during the warranty period regular handling and 36e servicing fees may be charged by the manufacturer s service station to proceed with the servicing representatives in that country Notwithstanding this your Pentax returned to the manufacturer will be serviced free of charge according to this procedure and warranty policy In any case however shipping charges and customs clearance fees are to be borne by the sender To prove the date of your purchase when required please keep the receipts or bills covering the purchase This warranty policy does not apply to Pentex of your equipment for at least a year Before cameras purchased in the U S A and U K For sending your equipment for servicing please these cameras please refer to the separate make sure that you are sending it to the manu Warranty Policy Car
4. a ANNE ee CRANE Bog o si oes eu s eie 1800 3 GE EN TL It ll 5 As exposure measurements made at 1 1000 sec with 25 ASA film will not be accurate exercise caution When using the 50mm f 1 4 lens accurate exposure measurement at the points found in the shaded area in the above table can be guaranteed only when using up to f 16 f 1 4 f 16 220 HELPFUL HINTS ON EXPOSURE PROBLEMS The exposure meter built into your MX takes a center weighted reading from the entire scene as seen through the viewfinder Sometimes however there is a great difference between the light reflected from the background and the light reflected from the subject In such a case to achieve a really good photo you must compensate for the difference by opening or closing down the aperture 1 or 2 stops As a general rule when the subject is darker than the background you compensate by opening your aperture 1 or 2 stops more For example on a bright day when your subject has his back to the sun and you are shooting directly toward the sun or when you are shooting a subject against snow or light colored sand or when you are copying a page of black letters on white paper increase the size of the aperture somewhat When your subject is brighter than the background if he is standing in a spotlight for example you make the aperture 1 or 2 stops smaller to compensate e23 DUAL CONTROL EXPOSURE SYSTEM Since both the apert
5. ield Preview Lever and Scale AA 20 Depth of Fietd Table SMC Pentax M 50mm f 1 4 Lens 21 Meter Coupling Range eee Hmmm 22 Helpful Hints on Exposure Problems eeen m 23 Dual Control Exposure System eee 23 Shutter Button Lock GSE 24 Manual Shutter Operation mmrrerrevovenannervenarenvnenvnennrarrannsevanensavenerr 25 Gelf timer urmerseseenererrarennronevrenaruersavvevareravnnrseaneneneenrenransnsenesnenansenaneerr 26 Infra red Photography ense enne nennen nnam nnne 27 Multiple EXPOSUTE csset 28 Interchangeable Focusing Screens u maana nanan amna nanana mn 29 Using Screw mount Takumar Lenses eee 30 Open aperture and Stop down Metering Lenses e 32 Resistance to Temperature Extremes and Changes 33 Camera Maintenance esrennerasvenvrrarnvuenevenesensnnnennrenvassenvannevnanersereenve 34 Warranty Policy RR 36 NOMENCLATURE 1828384 Q Exposure counter Shutter button lock lever O Shutter cocked indicator O Shutter release button O ASA window Q ASA dial lock button 9 Shutter speed dial Q Shutter speed index SG Oa E C iyoy ot O Rapid wind lever Aperture read out prism window D Hot shoe X contact p Film rewind knob Back cover opener p Film rewind crank D Lens release lever NS x he x oe M SD RY PENN ow SN N Self timer lever Depth of field preview lever Upraised alignment dot p Fo
6. mom harr PC SA E e a a TENE Mi un I sc KEND Eg vala 29 qms Qum Impe There are basically two types of flash bulb M attachments on the market clip on types and NG bracket types Either can be used with your camera The clip on types are attached to the hot shoe and the bracket types are attached via the tripod socket Use one of these three bulb types M MF or FP Lar The correct terminal and the correct shutter speed to use for each of these three types are outlined in the table below Before attaching the flash unit to the camera you must remove the protective plug from the proper terminal When not using the terminals keep the plugs inserted SHUTTER SPEED 7055 505 350 mm a 36 S 4 i 1 8 EL CTRONIC FLASH X 0 FLASH BULB FP _FPCLASS M i o o x M MF FP CLASS EE M M DEPTH OF FIELD PREVIEW LEVER AND SCALE Depth of field is the range between the nearest and farthest distances which are in focus at a given lens aperture If you want to know how great the depth of field is at a certain aperture focus on a subject and look through the viewfinder while moving the Self timer lever toward the lens and you will be able to preview the depth of field Or after focusing look at the depth of field scale on the lens In the photograph below the distance scale is set at 5 meters that is the lens is focused on a subject 5 meters away The calibrati
7. 2 5 973 7 898 11 882 22 231 3 13 1 631 2 033 m3 756 3 993 8 027 12 190 25 319 to a 1 447 2 101 2 206 2 573 4 406 5 361 6 845 9 611 15 329 f 16 1 670 1 23T 2 892 3 609 9 500 16 047 51 597 no j22 1 413 1 684 2 114 2 445 4012 4 278 5 906 7 827 11 188 1 721 2 188 3 075 233911 12 205 25 969 LT os 9 e21 METER COUPLING RANGE The exposure meter of the MX measures the any aperture that will illuminate the green LED brightness of the ground glass Therefore the in the viewfinder The total range of the aperture proper LED exposure read out should be settings is of course determined by the minimum obtained after you have focused your subject on and maximum apertures of the lens being used the ground glass The green area in the table For example with the 50mm f 1 4 lens and indicates the coupling range of the meter and ASA100 film an aperture from f 1 4 the should not be interpreted as the camera s total maximum aperture of this lens to f 22 the range of f stop shutter speed combinations As minimum aperture may be used with any shutter you will note from the table below with speed from 1 sec to 1 1000 sec that will ASA100 film you may use any shutter speed illuminate the green LED from 1 sec to 1 1000 sec in combination with 2 que dece NAGA Sa NAA NAPAG CHARA SO eb da ee ara CLONE ERE AA EE KE Nf ed ASA 290 EE CANAAN Ee ru 00 ERE lb
8. 22 5 o e ive 0 436 0 572 0 915 1 383 1 667 2 294 3 284 5 774 9 300 0 466 0 631 1 103 1 901 2 506 4 351 10 585 o 2 0 430 0 562 0 887 1 316 1 569 2 109 2 911 4 697 6 775 711 0 472 0 544 1 148 2 047 2 771 6 242 18 301 At S us T 0 422 0 546 0 844 1 219 1 430 1 861 2 450 3 588 4 672 0 482 v0 66 m3 231 2 348 3 366 7 97B oo mo oc 0 413 0 529 0 798 1 120 1 294 1 631 2 061 2 799 3 41 1 22 0 496 0 696 1 349 2 855 4 545 21 588 oe a at os Pu 9 Distance scale 1 55 1 9 2 5 T 6 8 12 25 Lu iva 1 540 1 884 2 471 2 957 5 814 7 667 11 252 21 905 173 685 1 560 1 916 2 530 3 045 6 198 8 364 12 856 29 122 Point i2 1 536 1 878 2 459 2 939 5 738 7 533 10 960 20 802 121 623 1 564 1 923 2 543 2 064 6 287 8 530 13 262 31 339 1 28 1 531 1 869 2 443 2 915 5 640 7361 10 593 19 495 86 915 1 570 1 932 2 560 3 091 5 410 8 763 13 845 34 084 so j 1 523 1 856 2 419 2 880 5 499 7 118 10 087 012817 60 884 1 573 1 946 2 587 3 131 6 604 9 137 18 824 42 020 PEE 1 512 1839 2 388 2 835 5 322 6 818 9 485 15 986 43 530 5 1 590 1 965 2 624 3 197 6 882 9 690 16 370 57 817 vw X 1 497 1 815 2 343 2 769 5 078 5 414 8 706 13 855 30 514 8 1 608 1 995 2 681 3 275 n7347 10 660 19 414 132 990 M 1 478 t 785 2 290 2 692 4 80
9. can be easily i Screw the conventional Takumar lens into the mounted onto your camera by attaching them Mount Adaptor K first to a Mount Adaptor K However when 2 Attach the Adaptor lens unit to the camera Adaptor K is used the following is true body by aligning the red dots and and Due to the difference in coupling systems the turning the lens clockwise until it locks with a automatic diaphragm will not function click This takes slightly less than a quarter of a Fuli aperture metering lenses will function as revolution stop down metering lenses 3 To remove the lens leaving the Mount Adaptor K attached to the camera body simply unscrew the lens counterclockwise Other screw mount 30e e31 Takumar lenses can then be attached in the normal way 1 To remove the Mount Adaptor K from the camera body first remove the screw mount lens Then press with your thumbnail or a pointed object such as a ballpoint pen against the spring pin 9 2 Turn the Mount Adaptor K counterclockwise until you feel it release and take it out 3 Since the mechanism for locking in the Mount Adaptor K is totally different from that which locks in an SMC Pentax bayonet mount lens the lens release lever 9 on the camera body plays no part at all i M i OPEN APERTURE AND STOP DOWN METERING LENSES ppan 8 wan c ma t aTe a Le we 9a v X eee Open aperture SMC Pentax lenses have a diaphragm coupling lever Q on the back o
10. ck cover of the camera NMA ths A FILM FOR COLOR ORIN 38 EXPOSURES 811 SETTING ASA FILM SPEED The ASA film er rating of all 35mm films is given in the data sheet packed with each roll of film The higher the ASA number the more sensitive the film is to light While depressing the ASA dial lock button turn the rim of the shutter dial until the ASA number of your film is aligned with the index mark Be sure to set the ASA film speed because it is coupled to the exposure meter system Aya o MANA UP te iden ewe telte meme nr om AP 1250 1000 640 500 320 250 160 125 80 50 40 25 i a 1 4 8 i 1 e t F e t 1 e y 1600 800 400 200 100 64 32 ae ee we mos SETTING THE SHUTTER SPEED DIAL Turn the shutter speed dial clockwise or counter clockwise to the shutter speed desired The shutter speed may be set either before or after cocking the rapid wind lever As you cock the shutter by turning the rapid wind lever the cocked indicator turns red showing that the shutter is cocked The color of the cocked indicator changes to black after tripping the shutter For use of the X setting on the shutter speed dial refer to page 18 With the shutter speed dial set on B bulb the shutter will stay open as long as you depress the shutter button As you release your finger from the shutter button the shutter closes When a long exposure is desired while using the B setting set the shut
11. cusing ring D Distance scale i Aperture Distance index Y Depth of field scale y Aperture ring 20 fa X sync terminal Bb FP sync terminal Neck strap ring e Viewfinder eyepiece w Film pressure plate amp Guide pin channel D Winder Motor Drive direct contact terminai e3 kr KO KE 35 Film chamber Battery chamber D Motor Drive Tripod receptacle D Film rail p Film guide rail Shutter curtains Film rewind button 40 amp Film transport coupler p Bulk magazine guide pin channel Sprockets Film take up spool D Back cover Type Lens mount Standard lenses Shutter Flash synchronization Self timer Viewfinder Mirror and diaphragm Film wind and rewind SPECIFICATIONS 35mm full frame SLR camera with open aperture center weighted Through The Lens meter Pentax K bayonet SMC Pentax 50mm f 1 2 SMC Pentax M 40mm f 2 8 SMC Pentax M 50mm f 1 4 SMC Pentax M 50mm f 1 7 SMC Pentax M 50mm f 2 Horizontal run rubberized silk focal plane shutter speeds from 1 to 1 1000 sec plus B shutter lock and Cocked indicator FP and X sockets plus hot cold accessory shoe for X contact 1 60 sec X synchronization Delays shutter release to 4 12 seconds self timer starter button provided Silver coated pentaprism finder split image microprism focusing screen 9 interchangeable screens 9596 of picture taking area visible and 0 97 X magnification with 50mm t
12. d enclosed here facturer s authorized representatives or their accredited repair shops unless you are sending it directly to the manufacturer Always obtain a quotation of the service charge and only after you accept the quoted service charge instruct the Asahi Optical Co Ltd C P O 895 Tokyo 100 91 JAPAN Asahi Optical Europe N V Weiveldlaan 3 5 1930 Zaventem Zuid 7 BELGIUM Pentax Handelsgesellschaft mbH 2000 Hamburg 54 Lokstedt Grandweg 64 WEST GERMANY Pentax Corporation 35 Inverness Drive East Englewood Colorado 80112 U S A Pentax Canada Inc 1760 West 3rd Avenue Vancouver B C V6J 1K5 CANADA Pentax U K Limited Pentax House South Hill Avenue South Harrow Middlesex HA2 OLT U K Pentax France S A 72 76 Rue Paul Vaillant Couturier 92300 Levallois Perret FRANCE Asahi Optical Brasileira Ind e Com Ltda Rua Estados Unidos 1053 S o Paulo SP BRASIL 06691 Printed in Japan
13. e internal mechanism even though externally nothing seems to have been hurt 349 o 4 Your camera is not waterproof There are probably puncture the bottom of the socket several places where water can get inside and do after which the camera will not function properly a great dea of damage Take care to protect both body and lens from rain or splashing water If In order to prevent large diameter lenses your camera should get wet dry it off immediately from interfering with proper mounting of the with a clean soft cloth camera to the tripod attach the Spacer Ring Once a camera has become completely soaked packed with the camera between camera there is often nothing that can be done to make and tripod it right again However in such a case take your camera as soon as possible to an authorized Pentax Service Center c Where to keep your camera while you are not using it is an important point The best storage place is cool dry clean and well ventilated Because of the possible build up of humidity it is risky to store your camera in a cabinet Or closet It s also a good idea to keep your camera in its bag or case while you are not using it 6 When mounting your camera on a tripod be sure the tripod screw is no longer than 5 5mm This is the depth of the tripod socket on your camera f you use a tonger screw you will e35 WARRANTY POLICY All Pentax cameras purchased through a
14. e place gradually over a period of at least 30 minutes If this is not possible Keeping the camera in its case or bag will help somewhat in minimizing the effects of a rapid temperature change Extremely low temperature reduces the efficiency of the battery Therefore the camera should be protected against low temperature Put the batteries into the camera right before shooting For extremely low temperature use new batteries i CAMERA MAINTENANCE Ib lace esie am c a re va AA tan L 4 Always keep the viewfinder eyepiece iens and filters as clean as possible To remove loose dust and dirt first use the blower and then the brush of a lens brush Do not try to wipe off granutar dirt or dust it s an excellent way of scratching the glass Smudges such as fingerprints should be carefully wiped away with either lens tissue Or a clean soft cloth Clean plain cotton handkerchiefs that have already been washed a few times are particularly good for this Breathing on the lens before wiping is effective but be sure to wipe away all moisture completely Commercial lens cleaners are also effective 2 Never touch the mirror or the shutter curtain with your hands The natural acids on your skin are very damaging Minor dirt or spots on the mirror will not affect the clarity of your pictures 3 Take care not to drop the camera or knock it against anything solid Accidents or rough handling can easily damage th
15. ens at infinity 1 diopter eyepiece Information viewfinder shows f stop shutter speed and tri colored LED read out dots Correction lens adaptor M Magnifier M and Refconverter M fit the viewfinder frame Instant return mirror and automatic diaphragm Depth of field preview with self timer lever Ratchet type rapid wind lever plastic tipped for winding comfort 162 throw with a stand off angle of 20 Rewind crank for speedy film rewind 49 Film loading Automatic winder Exposure counter Exposure meter Power source Back cover Body size Body weight e5 Magic need e quick sure loading MX camera body accepts Winder MX for up to 2 frames per second single frame and consecutive exposure operation possible and Motor Drive MX for up to 5 frames per second single frame and consecutive exposure operation possible for automatic speedy film wind and shutter cocking Automatic reset type Open aperture center weighted Through The Lens meter with SPD cells for fast light response with tri colored LED exposure read out rapid wind lever and shutter release button acting as meter switch Exposure range EV1 19 ASA 100 f 1 4 Film speed range ASA25 1600 Two 1 5V Alkaline LR44 or Silver oxide G13 batteries LEDs in view finder double as battery check lamp cease to light on battery failure Standard back with memo holder interchangeable with Bulk Film Magazine MX Dial Data MX for data recording on film
16. f the lens which couples with the camera body to permit open aperture metering The ultra telephotos do not have a diaphragm coupler so they must be used with the stop down metering system Use of the Auto Extension Tube Set K permits open aperture metering Use of other K Series accessories standard Extension Tube Set K Helicoid Extension Tube K Auto Bellows M and Bellows Unit III requires stop down metering Whenever any one of these is used between the camera body and an SMC Pentax lens the stop down metering system must be used 32e EE t E RESISTANCE TO TEMPERATURE EXTREMES AND CHANGES The temperature range at which your camera will continue to function properly stretches from 50 C to 20 C However resistance to cold could be hampered by oil which has become dirty Therefore if the camera is to operate at full efficiency in very cold conditions it must be overhauled and all oil must be replaced Sudden changes in temperature will often cause moisture to condense inside or outside your camera This is a possible source of rust which may be extremely damaging to the mechanism Furthermore if the camera goes from a warm temperature to a sub freezing one and if tiny drops of moisture freeze further damage may be done by their expansion e33 Thus sudden temperature changes should be avoided as much as possible As a guide a temperature change of 10 C should be allowed to tak
17. icates proper exposure The f stop you have selected is also visible in the small window above the focusing screen If the central green dot does not glow no matter how far you turn the aperture ring change the shutter speed 6 Release Shutter Hold your camera firmly and trip the shutter Then cock the rapid wind lever for the next picture As long as the lever is at its preadvance angle the light meter stays ON If you push it back to the completely closed position the meter is turned OFF e9 FILM LOADING AND WINDING Avoid direct light when loading your film 1 Open the back by pulling up 2 Place the film cartridge in the 3 Advance the film by alternately the rewind knob until the back film chamber and push down advancing the rapid wind lever Opens the rewind knob Insert the film and depressing the shutter leader in between any of the button until both top and white plastic pins surrounding bottom sprockets engage the the film take up spool film perforations Close the back by pressing it S that the film is properly loaded and is moving from cartridge to take up spool Trip the shutter Advance the film until the exposure counter turns to 1 indicating that the first picture is ready to be taken 10e YE tnn apice anm o HB er i pum qa enr e ea MEMO HOLDER As a reminder of the type of film in your camera tear off the top of the film box and insert it into the Memo Holder on the ba
18. ilm into its cartridge Rewind until the tension on the crank lessens indicating that the leader end of the film has been released from the take up spool Pull out the film rewind knob the back will open automatically and remove the film cartridge AVOID DIRECT LIGHT WHEN UNLOADING THE FILM TDS mre reme em aa vart ames ren en 160 m2 817 FLASH SYNCHRONIZATION The MX has FP and X terminals on the front of the camera body and a separate X contact on the built in hot shoe The table on the next page shows which flash contact which shutter speed and which flash bulb may be combined for maximum lamp efficiency Unless these combinations are rigidly followed there will be a failure in flash synchronization Note the X setting is exactly at the 60 mark on the shutter speed dial This indicates the highest shutter speed at which electronic flash units may be used Use the hot shoe flash contact when using a shoe mount electronic flash which has a flash contact on the shoe bracket When using the hot shoe there is no need to plug the flash cord into the X terminal on the front of the body The hot shoe flash contact turns to hot switched on only when you insert a shoe mount electronic flash 1t remains cold disconnected even when using an electronic flash with its cord plugged into the X terminal on the body front This eliminates the danger of electric shocks 18e NG a Gen EZ Il
19. o longer functioning you must determine the correct combination of shutter speed and aperture size yourself from your own experience Also packed in with most types of 25mm film is a data sheet with suggestions for determining the correct exposure in a variety of situations SELF TIMER The Self timer delays the shutter release by 4 12 seconds depending upon how far counter clockwise when camera faces you the lever is advanced When using the Self timer do not depress the shutter button it will immediately release the shutter without delayed action After cocking the rapid wind lever advance the Self timer lever 90 180 Then push the start button and the Self timer will commence 260 INFRA RED PHOTOGRAPHY If you intend to take infra red photographs remember to use the infra red mark indicated with an orange line on the depth of field scale First bring your subject into sharp focus Then determine the subject to camera distance from the distance scale on the lens Then match your subject to camera distance to the infra red mark by turning the focusing ring accordingly e For instance if your subject is in focus at infinity turn the focusing ring and move the infinity ce mark to the infra red mark NOTE An infra red focusing adjustment is not required when working with infra red color film e27 MULTIPLE EXPOSURE For deliberate multiple exposures make the first expo
20. ons on each side of the distance index correspond to the diaphragm setting and indicate the range of in focus distance for different lens apertures For example if a lens opening of f 4 is to be used the range on the distance scale ring covered within the figure 4 on the depth of field scale indicates the area in focus at that lens opening You will note from the depth of field scale in the photograph that the range from approximately 4 to 7m is in focus Note that as the lens aperture changes the effective depth of field also changes For the depths of field at different apertures and distances refer to the next page A nagpa MAS 4 Ww CEN eega a gt penr e 7 5 Distance m 208 a o DEPTH OF FIELD TABLE SMC PENTAX M 50mm f 1 4 LENS Distance scale 0 45m 0 6m 1m 1 6m 2m 3m 5m 15m eo mus 0 447 0 595 0 984 1 557 1 932 2 846 4 579 11 712 52 938 0 463 0 605 1 017 1 645 2 073 3 172 5 506 20 868 o 2 0 446 0 593 0 977 1 539 1 904 2 785 4 420 10 707 37 070 0 454 0 608 1 024 1 666 2 106 3 262 5 757 25 077 j 0 445 0 590 0 969 1 515 1 869 2 708 4 225 9 609 26 491 1 2 8 0 455 0 511 1 034 1 694 2 152 3 365 6 128 34 313 to ua 0 443 0 586 0 956 1 483 1 818 2 599 3 962 8 329 18 557 0 458 0 615 1 049 1 737 2 224 3 550 6 786 76 783 s 0 440 0 580 0 939 1 441 1 754 2 468 3 659 7 075 13 268 6 0 461 0 622 1 070 1 799 2 329 3 832 7 9
21. press the shutter release button halfway while looking through the viewfinder If the batteries are dead the LED dots will not glow Se A a AB a ae ool BASIC OPERATING INSTRUCTIONS 1 Set Film Speed While depressing the tiny button atop the shutter dial turn the rim of the shutter dial until the ASA number of the film you are using is centered in the ASA window 2 Cock Rapid Wind Lever Cock the rapid wind lever all the way until it stops The Cocked indicator will turn red showing that the shutter is cocked 3 Set Shutter Speed Turn the shutter speed dial until the speed you want to use is opposite the index mark Generally you should use the fastest possible shutter speed to avoid blurred pictures caused by camera movement Try starting with 1 125 sec outdoors in daylight and 1 30 sec indoors se 4 Composing and Focusing While viewing through the finder turn the focusing ring until your subject comes into sharp focus and choose the most pleasing composition 5 Turn on Exposure Meter and Rotate Aperture Ring Pull out the rapid wind lever slightly 20 and depress the shutter release button halfway to turn on the exposure meter The preselected shutter speed plus the two adjacent speeds 60 and 960 in the case of 125 are visible on the right hand side of the viewfinder Trun the aperture ring until the central green LED dot glows which ind
22. rmally not visible If you depress the shutter button halfway and the exposure is correct the central green dot will illuminate If the exposure is 1 2 EV over the orange dot next to 250 in the above example wil glow as will the dot next to 60 in the case of 1 2 EV underexposure If it is 1 EV or more over or under the appropriate red dot will glow as a warning for adjustment of either the f stop or the shutter speed unless you want to make intentional over or underexposure 149 HOLDING THE CAMERA As a general rule your camera can be held more firmly in the left hand which does not release the shutter If you hold your camera with the right hand the hand that releases the shutter this may cause camera movement Often blurred pictures are due to camera movement Vertical position C Horizontal position Vertical position B Hold the camera firmly with Hold your camera tightly to Hold your camera tightly to your your left hand and draw your your forehead with your left forehead with your left hand arms close to your body hand and draw your right arm raise your right arm and draw close to your body your left arm to your body ei15 UNLOADING FILM After the final picture on the roll has been taken the rapid wind lever will not advance further indicating that the film must be rewound Lift up the rewind crank Depress the film rewind button and turn the rewind crank as indicated to rewind the f
23. sure in the normai way Then tighten the film by turning the rewind knob 3 and keep hold of the rewind knob Depress the film rewind release button 3 and advance the rapid wind lever This cocks the shutter without advancing the film Finally release the shutter to make the second exposure Then make one blank exposure before taking the next picture to avoid overlapping As the exposure counter continues to function each time the shutter is cocked a double exposure will be counted as two frames 280 INTERCHANGEABLE FOCUSING SCREENS aram a M td MEE eee r In addition to the standard split image t microprism focusing screen there are 7 other interchangeable focusing screens available for your MX To remove the standard focusing screen pull the screen retainer pin Gy toward you with the pincette supplied with the interchangeable focusing screen The focusing screen will then flip down Remove the screen from the frame by grasping the protruding portion of the screen with the pincette To install the screen of your choice place it on the screen frame pushing it back to the original position until it locks with a click To remove dust particles from the screen never wipe it with a cloth or the like but just use a blower e29 USING SCREW MOUNT TAKUMAR LENSES Conventional screw mount Takumar lenses both How to Use Mount Adaptor K Super Takumar and SMC Takumar
24. ter button lock by moving the lever to the left an L becomes visible while depressing the shutter button Alternately use a cable release with a locking device for a time exposure CAUTION At long speeds longer than 1 30 1 15 1 sec B support your camera rigidiy to prevent camera movement To protect the shutter mechanism trip the shutter before putting the camera away for any extended period 129 e13 COMPOSING AND FOCUSING The standard focusing screen of your MX has a central split image circle surrounded by a microprism collar While looking through the viewfinder turn the focusing ring until your subject comes into sharp focus If your subject is not in focus the image in the split image circle will appear divided into upper and lower portions and the image in the microprism collar will appear broken into many small fragments p 9 2 ma EXPOSURE MEASUREMENT When the rapid wind lever is pulled out 20 and the shutter button is depressed halfway the exposure meter is turned ON Turn the aperture ring to get a proper LED exposure read out in the viewfinder On the right hand side of the viewfinder appear the preselected shutter speed plus two adjacent speeds e g 60 and 250 in the case of 125 on a transparent disk which protrudes slightly into the focusing screen area On the right hand side of the shutter speeds shown there are 5 LED dots which are no
25. ure and shutter speed are indicated within the viewfinder you can control exposure by adjusting either the shutter speed dial or the aperture ring When the aperture size is the most important factor set the aperture desired by turning the aperture ring Then adjust the shutter speed dial until the green LED illuminates When shutter speed is the more important factor turn the dial to the speed you desire Then adjust the aperture ring until the green LED illuminates SHUTTER BUTTON LOCK The shutter button lock lever is for your convenience while you are making a particularly long exposure using the B shutter speed setting After depressing the shutter button turn the lock lever which is on the collar at the base of the shutter button so that the letter L is visible When the exposure time is up move the lock lever back to its original position This automatically releases the shutter button In addition to making Time exposure the lock lever is also used to turn off the meter circuit and simultaneously prevent accidental release of the shutter 2408 n M 825 MANUAL SHUTTER OPERATION The two alkaline or silver oxide batteries in your MX are used only for powering the exposure meter the shutter mechanism is a totally manuel operation Therefore your camera can still be operated even if the batteries have worn out if the batteries have worn out and the exposure meter is n
26. uthorized bona fide photographic distribution channels are guaranteed against defects of material or work manship for a period of twelve months from date of purchase Service will be rendered and defective parts will be replaced without cost to you within that period provided the equipment has not been abused altered or operated contrary to instruction Because the tolerances quality and design compatibility of lenses other than Pentax lenses are beyond our control damage caused by use of such lenses will not be covered by this warranty policy The manufacturer or its authoriz ed representatives shall not be liable for any repair or alterations except those made with its written consent and shall not be liable for dama ges from delay or loss of use or from other indirect or consequential damages of any kind whether caused by defective material or workmanship or otherwise and it is expressly agreed that the liability of the manufacturer or its representatives under all guarantees or warranties whether expressed or implied is strictly limited to the replacement of parts as hereinbefore provided Procedure During 12 month Warranty Period Any Pentax which proves defective during the 12 month warranty period should be returned to the dealer from whom you purchased the equip ment or to the manufacturer If there is no representative of the manufacturer in your country send the equipment to the manufacturer with postage prepaid

Asahi Pentax MX Instruction Manual

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