Olympus OM-77 AF Operating Instructions
Contents
1. 20 Taking Photographs Il a oaoa aaa aaa 22 e Taking a Continuous Series of Shots 23 e Using the Power Focus 24 e Using the Program Shift 27 e Using the Focus Lock System 30 e Using the AE Lock a na aaa aana 32 e Using the Reset Button 34 e Using the Self Timer 35 e Usingan OM LenS 37 Taking Photographs Ill 40 e Using the Power Flash Grip 300 41 e Using the Full Synchro Flash F280 44 e Using the T20 and T32 Electronic Flashes tt nas e hd a a See ia hohe 48 e Using a Conventional Auto Flash 51 To Take Better Photographs 54 e Autofocus AF 55 e Programi i sscedatano vet aed EE thee ace 57 e TTL Direct OTF Light Metering 63 e Viewfinder Display 64 eLCDPanel 65 OMLenses 66 OMAFSystem 67 e Notes on Using the OM77AF with Previous OM System Units 68 Handling Care 69 Storage Care 70 Questions and Answers 71 Description of Controls 73 Main Specifications of the OM77AF 76 Main Specifications of Power Grip 100 78 Main Specifications of Power Flash Grip SOO tc eb Phen aon tee eel a te Se 78 om TAF Preparations before Taking Pictures Loading the Power Flash Grip 300 Batteries Do n2. ISO 400 about 12m gt 50 mm F1 8 Press the shutter release Check the flash indicators will blink to indicate correct exposure does not appear if the subject was underexposed 42 43 Push in the flash reflector after use and slide the power switch OFF Do not cover the flash reflector with your fingers e The flash area is sufficient for lenses as wide as 36 mm e The flash will not operate at speeds greater than 1 100 sec or before completing recharge Charging stops when the power switch is turned OFF or when the viewfinder display disappears Refer to page 16 Using the Full Synchro Flash F280 A fully synchronized flash that is useful for fill in flash photography as well as at night Slide the F280 into the shoe and secure it with the lock screw 44 45 Turn the power switch ON and set the mode switch to NORMAL OM 707 OM 77AF A Super FP or Normal OTF Flash will be selected automatically depending on the subject brightness Check the charge indicator When in darkplaces lights and the unit fires in the Normal OTF Flash mode When in bright places lights and the unit fires in the Super FP Flash mode In the Normal OTF Flash mode the working range is 1 m 7 m 3 3 23 ft 50 mm F1 8 lens You should consult the flash instruction manual for full details l Press the shutter release 46 47 Check the fl
3. Y 1 Ye is Yo Yo Moa 2s Yaso Yso Yio Yoo00 50 mm F1 8 Auto Program Shift The OM77AF has been programmed to automatical ly select a program mode appropriate to the focal length of the lens to be used There are individual programs for telephoto standard and wide angle lenses with the capacity to automatically shift programs in line with the focal length changes of zoom lenses In the wide angle program mode Program chart for lenses below 35 mm depth of field is given priority The standard program mode Program chartq is used for lenses in the 35 89mm focal length range The telephoto program mode Program chart for lenses of 90 mm and above gives higher priority to the shutter speeds needed to avoid camera shake Aperture 8 9 10 n 12 13 14 15 16 17 18 19 20 7 22 6 16 5 LA 4 8 0 3 56 2 4 0 1 28 0 2 0 l 14 EV Shuttor specd 2 1 u Ms Yn he Yas Yo Yoo Voon Yc 58 59 Manual Program Shift With the OM77AF the photographer is free to select a desired aperture or shutter speed with the assur ance of a perfect exposure For instance when using a 50 mm F1 8 AF lens the initial setting of aperture and shutter speed is in accordance with the Standard Program Program chart 1 By using the shift knob the photographer is free to shift the program line by 1 2 stops to reach a desired shutter speed or aperture In this way an
4. camera focus on the image The camera may not focus in some cases Focus ing is difficult when for example the subject is moving quickly the camera is being violently shaken or the subject is of a kind difficult to focus on see Subject difficult for autofocus page 56 Q The indicators in the viewfinder disappear while shooting They automatically disappear after appearing for 30 seconds in order to save battery power To re display them lightly touch the shutter release button Q The AF illuminator lights but the camera does gt O not focus It may not focus even when the subject is close if the subject reflects little light as when colored blue or black Can the front most ring be manually rotated Do not forcibly turn it This may damage an inside gear and the flash control may not operate If you happen to move it press the reset button to move the lens back to o Q Why won t the shutter fire when press the gt PO gt Q release button It is probably unfocused Check the LED in the viewfinder Also it may be out of film Or the batteries may be exhausted The lens locking button is pressed while shoot ing If this button is fully pressed resetting may occur So be careful The Power Flash Grip 300 does not recharge Are the batteries exhausted Press the reset button to check the batteries Also note that the flash unit cannot be recharged
5. designed for AF lenses Lens 1 Olympus AF lenses 2 OM lenses Shutter Electronically controlled vertical travel focal plane shutter Shutter speed 2 1 2000 sec Synchronization Hot shoe Super FP Flash con tact X contact T Series Flash contact Autofocus Method TTL phase detection system with CCD Zero In sensor Focusing sensitivity range EV 4 18 ISO 100 Actuation method Single or continuous Focus lock possible Indication Single point 2 color LED in view finder focused green lamp autofocus impos sible red lamp AF illuminator Automatic actuation in low light Manual focus Olympus AF lenses By shift knob OM lens By focus ring Light metering method Exposure control TTL Direct OTF Metering center weighted average light measurement Exposure modes Multi program 1 Program 2 Program shift by shift power focus knob 3 Automatic program shift based on focal length of lens 4 Aperture preferred AE when using OM lens Program auto exposure Type Electronic shutter with automatic control of shutter speed and aperture Light measuring range EV 1 20 ISO 100 AF 50mm F1 8 AE lock By AE lock button Flash control Full Synchro Flash F280 Auto matic selection of Normal OTF Flash or Super FP Flash Power Flash Grip 300 Flashmatic T Series Flash TTL Direct OTF flash Regular flash units Normal Auto flash with F4 mode Automatic film speed setting Automatic
6. part of the lens 16 Place your subject in the center of the autofocus 3 frame Press the shutter release halfway to focus A green light indicates the subject is in focus A red light indicates autofocus is not possible Over exposure warning Ga blinks Under exposure warning Bl blinks 17 5 Press down on the shutter release PROGRAM The film is automatically advanced one frame Q AF SINGLE AFJSINGLE In poor light conditions the autofocus illuminator is automatically activated to determine the correct distance However there are some cases depending on the type of lenses used in which it cannot be used Even in these conditions the subject distance can be determined when using the F280 18 19 When battery power falls below 50 blinks after each shot and charge time is increased when using the Power Flash Grip 300 therefore changing the batteries is recommended Rewinding the Film Film rewind is also automatic rg Er PROGRAM R blinks Vie amp ba R teh l 1 4 AF SINGLE I 1 FORA The hg cm al While sliding locking knob press the rewind button 20 PROGRAM PROGRAM PROGRAM Q38 gt a AF SINGLE AFJSINGLE AFJSINGLE On completion of rewind the shutter is released Q flashes and the frame counter reads 0 3 Open the camera back and remove the film The film i
7. to provide correct exposure Aperture Shutter speed 2 1 y m y vy Yao 10 Yeo Yoo lias Vaso soo Yio 2o00 T Series Flash Combined with a T Series flash except the T 45 the OM77AF can be used for a variety of advanced flash techniques bounce or diffused lighting for example while correct exposure is assured by the camera s TTL Direct OTF program which con trols the amount of light emitted in accordance with the distance of the subject When using a T Series Flash the aperture is set at f4 the shutter speed is set at 1 100 sec and a flash fired only when a shutter speed of 1 100 sec or slower is required Aperture Shutter speed 2 1 amp Ns x iE Yo Vioo Yizs Y2so 500 Yiooo Yaooo 62 63 TTL Direct OTF Light Metering Center weighted Averaged Light Metering The OM77AF employs the famous TTL Direct OTF Off The Film light metering system An Olympus first this system which measures the light as it falls on the film surface and controls the ex posure accordingly results in superbly accurate automatic exposure even when there are sudden changes in illumination during the exposure or when it is difficult to determine the light condi tions beforehand as is the case in macro photo graphy When a flash unit is employed metering requires no eff
8. 2 05 without grip Weight 555 g 19 6 oz without grip Main Specifications of Power Grip 100 System application OM77AF Type Separable power source grip Power switch After mounting camera s power switch Shutter release Electromagnetic shutter release for OM77AF Battery life Sufficient for 25 rolls or more alkaline manganese normal temperatures 24 Ex film Camera mount Exclusive slide bayonet mount Electrical connection with camera Cordless direct contact Power source battery x 4 Facing Rubber pad Dimensions 35 W x 64 H x 61 D mm 1 4 x 2 5 x 2 4 increases camera width by 5 7 mm controlled by LRO3 AAA alkaline manganese Weight 43 g 1 5 oz without batteries Main Specifications of Power Flash Grip 300 System application OM77AF Type oe power source grip with built in ash Power switch After mounting camera s power switch Shutter release Electromagnetic shutter release for OM77AF Battery life Sufficient for 8 rolls or more using flash for 50 of exposures alkaline manga nese normal temperatures 24 Ex film Camera mount Exclusive slide bayonet mount Electrical connection with camera Cordless direct contact Guide number 12 ISO 100 meters Exposure control Flashmatic Coverage angle Equivalent to angle of view of 35 mm lens Recycling time 4 sec with LRO3 AAA alkaline manganese batteries Flash duration Approx 1 2000 sec F
9. E the Electronic Flash T45 Interchangeable Focusing Screens Recordata Backs for other OM cameras Polarizing Filter POL Filter R60 R1 e T10 Ring Flash 1 T8 Ring Flash 2 and Macro Flash Shoe Ring cannot be used in combination with AF zoom lenses e Olympus Auto Focus lenses are exclusively designed for the Olympus OM77AF 68 Handling Care Take care in handling the camera Do not use extra force S gt ant A a EA 0 Ea Storage Care Battery Precautions Guard against high temperatures and magnetic field In case of malfunction take the camera to your nearest Olympus service station 70 71 gt O Questions and Answers What kind of batteries should use Use four LRO3 AAA alkaline manganese bat teries Don t mix various kinds of batteries or install new with old Change all batteries at one time The provided batteries are for testing operation at the time of purchase The camera does not work 1 Try sliding the power switch OFF and ON again 2 If the low battery indication remains on even when the shutter release is pressed half way the camera will not work The lens moves to infinity after it is mounted on the body A The lens is automatically reset to infinity for ro coordination of lens control If the lens is not reset press the reset button or turn the power switch OFF and ON again Why doesn t the
10. OLYMPUS Thank you for purchasing the Olympus OM77AF The OM77AF is a fully automatic SLR camera which incorporates the very latest in photographic technology in an incredibly compact form Autofocus programmed exposure modes and an optional Power Flash Grip 300 all facilitate problem free photography In addition connected to a Full Synchro Flash F280 the world s first flash unit capable of synchronizing with any shutter speed up to 1 2000 sec the OM77AF offers the user a simple error free method of attaining professional level results in areas such a fill in flash photography Before using the camera please study this instruction manual carefully with the OM77AF in front of you so that you can get the very best performance and service life from your new camera The following symbols are used during explanation of operating procedures assed Correct Incorrect Operation Operation order Automatic operation Sa sl es ae a 4 ZIN AN Attention Press lightly Lamp on Lamp blinking 1 x Table of Contents Preparations before Taking Pictures 3 e Loading the Power Flash Grip 300 Battere Scie e ac ahs et eee eS sd 4 e Loading the Power Grip 100 Batteries 7 e Mounting an AF Lens 9 Taking Photographs 11 e Turning onthe Power 12 e Loading the Film 13 e Taking Photographs 16 e Rewinding the Film
11. and rotate the lens until it locks Qi SINGLE Select either SINGLE mode for single frame winding or mode for continuous winding 3 Select an appropriate aperture 4 Turn the focus ring to focus on the subject 5 Compose the shot and press the shutter release 38 side of the lens and turn counter clockwise until it 6 To detach the lens press the ribbed button on the is free CAUTION The lens cannot be removed by pressing the lens locking button on the camera s body In Focus Focus Impossible LED shutter speed or aperture indication will not appear in the view finder the self timer will be inoperable and the Super FP Flash mode of the F280 will not be available 39 om AF Taking Photographs III Flash Photography With the Power Flash Grip 300 mounted the OM77AF is the world s first autofocus SLR with a built in flash When connected to the Full Synchro Flash F280 the first electronic flash in the world capable of synchronizing with all shutter speeds up to 1 2000 sec it can be used in any light conditions to provide for simple fill in flash photography at a touch of the shutter release 40 Using the Power Flash Grip 300 Press the flash pop up lever to release the flash and begin charging Check the charge indicator on the Power Grip s back or the El indicator in the viewfinder b gt iSO 100 about6m lt __________ ISO 200 about9 m
12. ash emission blinks to indicate correct exposure in the Normal OTF Flash mode turns off to indicate under exposure In the Super FP Flash mode H blinks to confirm a Super FP Flash Using the T20 and T32 Electronic Flashes Can be used In OTF AUTO flash mode Slide the unit into the shoe secure it with the lock screw and ensure that the calculator panel is inserted so that full automatic control by OM 2 is displayed Turn the power switch ON 48 49 3 Check the charge indicator lights up and the flash will fire when a shutter speed slower than 1 100 sec is required The flash working distance varies according to the lens maximum aperture and the shooting environment Press the shutter release button Check for correct exposure blinks to indicate correct exposure No indicates under exposure 50 51 AF SINGLE Using a Conventional Auto Flash lt 65 fee ta ca Press the button to enter the mode The 1 camera is set to f4 at 1 100 sec The mode is not available when using the T20 T32 F280 or the Power Flash Grip 300 Set the flash to work at f4 Press the button to cancel the mode after use Pressing the reset button also cancels the mode 52 53 e Auto flash units without an F4 mode cannot be used e If a lens with a maximum aperture smaller than
13. d with no need of any physical adjustment the program can be used as an aperture or a shutter speed preferred program depending on the photographer s intention Aperture Shutter speed Power Flash Grip 300 By using the Power Flash Grip 300 you are always ready for problem free flash photography With the flash reflector up the unit will fire automatically only when natural light requires a shutter speed of 1 100 sec or slower The shutter speed will be set at 1 100 sec in this case and the aperture deter mined by the AF CPU on the basis of the absolute distance of the subject Flashmatic method as illustrated by the dotted line in the chart Aperture 1 0 m 075 11 15 20 30 43 60 A Yio bizs Vaso 500 Yiooo 2000 ISO 100 Shutter speed 60 61 Full Synchro Flash F280 Combined with the F280 the OM77AF can syn chronize with the flash unit at all shutter speeds resulting in a flexible program that can cope with fill in flash photography as easily as it can the more usual poor light situation The aper ture is set at f4 or if this is not available the maxi mum aperture of the lens and when natural light requires a speed of 1 100 sec or slower a Normal OTF Flash is produced when a higher speed is required a Super FP Flash is produced auto matically After the shutter speed reaches 1 2000 sec the aperture is adjusted
14. during auto focusing winding and exposure gt O gt o roO gt o Why doesn t the flash fire There are two possible reasons 1 Flash firing is automatically inhibited at shutter speeds faster than 1 100 sec when using T series flashes and the Power Flash Grip 300 2 Are you trying to fire before the unit has been recharged When should check the batteries 1 When new batteries are inserted 2 After the camera has not been used for a long time 3 Before beginning a prolonged period of use 4 When it is very cold In the finished print a peripheral portion of the picture is cut though I framed it inside the viewfinder In some color prints and color slides a periph eral portion of the picture may be eliminated in the laboratory It is recommended therefore to leave some margin in composing your picture How do I clean the lens Use a soft clean cotton cloth preferably a washed one and a small quantity of pure alcohol Slowly wipe the lens with a spiral motion from the center outward How do clean the camera _ Dust moisture and salty air are harmful to cameras and lenses Wipe the camera surfaces clean and let dry after using it in rain or mist When used near the sea wipe it off with a cloth moistened with clean water then clean and store it Q Why are there sometimes scratches on the film A The cause may be a soiled film passage The film compa
15. f4 is used slight under exposure will result e When using a non AF OM lens set the aperture to f4 The shutter will be set at 1 100 sec om TAF To Take Better Photographs The following pages are presented to assist those who wish to improve their photographic tech nique Please read them carefully apply the techniques and expand your creative horizons 54 Autofocus AF TTL Zero In System An exceptionally accurate TTL Zero In elec tronic focusing system which works on the princi ple that image discrepancy is zero when an object is correctly focused is employed by the OM77AF Light passing through the focus mirror is passed through an infrared cut filter a correction lens and then projected onto a CCD Zero In sensor where it is converted into electrical signals Using these signals to determine the image discrepancy a CPU A by reference to a lens mounted ROM calculates the appropriate lens rotation and transfers this information to an AF motor This single calcula tion focus correction sequence results in quick and accurate focusing Additionally when the Power flash Grip 300 is connected the focus information is used to provide precise distance information for perfect flash exposure control 55 Subject difficult for autofocus Although the OM77AF can focus in almost any situation there are certain conditions illustrated below in
16. ile continuing to hold in the AE lock button change the composition of the photograph as desired Still holding in the AE lock button press the shutter release Using the AE lock the subject is properly exposed no matter what the background lighting conditions Using the Reset Button Press the reset button QoS PROGRAM ISO irr suru AF SINGLE 1 _S 7 modes and any program shift will be cancelled and the mode set to PRO GRAM A F SINGLE 2 The lens will be reset to oo 3 The ISO speed will be displayed 4 The battery condition will be displayed 34 35 Using the Self Timer The camera should be fixed firmly for example on a tripod Press the self timer button indicates self timer activation Press the shutter release lightly to focus on your subject green LED lights PROGRAM Ua AF SINGLE Press the shutter release fully to start the 12 sec self timer blinks The shutter will fire in 12 seconds and the self timer mode will be released To avoid incorrect exposure in the self timer mode ensure that strong light does not enter through the viewfinder The self timer can be cancelled by any of the following methods 1 Pressing the self timer button again 2 Pressing the reset button 3 Turning the power OFF 36 Using an OM Lens The OM77AF switches to aperture preferred auto mode Autofocus is not available i 2 Align the red dots
17. lash power source switch Power ON pop up lever Power OFF flash reflector pushed in Power source LRO3 AAA alkaline manganese battery x 4 Facing Rubber pad Dimensions 49 W x 64 H x 67 D mm 1 9 x 2 5 x 2 6 increases camera width by 19 mm 0 7 Weight 80 g 2 8 oz without batteries controlled by Specifications subject to change without notice 78 OLYMPUS OLYMPUS OPTICAL CO LTD San Ei Building 22 2 Nishi Shinjuku 1 chome Shinjuku ku Tokyo Japan Tel 03 340 2211 OLYMPUS CORPORATION Crossways Park Woodbury New York 11797 U S A Tel 516 364 3000 OLYMPUS OPTICAL CO EUROPA GMBH Postfach 104908 Wendenstrasse 14 16 2000 Hamburg 1 West Germany Tel 040 23773 0 OLYMPUS OPTICAL CO U K LTD 2 8 Honduras Street London EC1Y OTX England Tel 01 253 2772 PRINTED IN JAPAN 1186 15MS
18. ography at your fingertips a perfect shot is only a press of the shutter release away Turning on the power When power is switched ON the lens is set to and all functions reset see page 28 Slide the power switch ON Film speed and battery condition are shown for 1 5 sec PROGRAM n u AF SINGLE i OK siy Battery power below 50 A Change the batteries 7 N s 12 13 Loading the Film Loading and film speed selection for DX film are automatic Use only ISO 100 when using non DX film Make sure film is DX type To open the back press the locking button and slide the release knob 3 Avoiding direct sunlight insert the film cartridge Take care not to touch the shutter curtain with your finger or the film leader Align the film leader with the mark and gear the 4 sprocket teeth to the film perforations 5 Close the camera back and The film is automatically wound on until the exposure counter reads 1 PROGRAM PROGRAM PROGRAM g g Q_u p Q_i AFJSINGLE AF SINGLE AF SINGLE When the film is incorrectly loaded Q blinks Reload the film Film type confirmation is possible through the window in the camera back Age ora 15 Taking Photographs Press the shutter release halfway to activate the viewfinder display The display continues for 30 sec 2 Frame your subject Do not touch the front most
19. ort whatsoever even when you employ T Series units for bounce or diffused light techniques In addition when combined with the Full Synchro Flash F280 the camera can make use of speeds of up to 1 2000 sec for perfectly exposed all condition shooting Viewfinder Display Autofocus Frame In Focus Focus Impossible LED Green LED in focus Red LED autofocus is not possible 2 Shutter Speed Indicator 3 Aperture Setting Indicator 4 Super FP Flash Indicator Lights charged Blinks to indicate use of Super FP Flash 5 Normal OTF Flash Indicator Lights charged Blinks correct Normal OTF exposure Power Focus Indicator 64 LCD Panel The OM77AF employs a large interactive LCD panel that can reply to the photographers adjustments with information on the camera s operating condi tion The following information is displayed at the appropriate time Exposure mode Normal Flash mode display oF 4 PROGRAM Battery condition Self timer display ISO speed Power focus Exposure counter Autofocus Drive mode selected 65 OM Lenses While designed for a new series of Olympus AF lenses the OM77AF can be used with non AF OM lenses although not in the AF mode with the result that most Zuiko lenses from the Fisheye to the tele converters can be mounted on the camera The camera will automatically select the aperture preferred AUTO mode and a shutter speed appro
20. ot use different types of batteries or new and old batteries at the same time Remove the batteries if you are not likely to use the camera for a long time Remove the battery cover on the bottom of the grip Insert the batteries in the correct directions and replace the cover 4 LRO3 AAA batteries To remove the grip slide the grip lock knob and push down on the grip To replace the grip align with the indicators and and then push up until it locks Note Slide the power switch OFF when loading batteries or replacing the grip Loading the Power Grip 100 Batteries Remove the battery cover on the bottom of the grip Insert the batteries in the correct directions and replace the cover 4 LRO3 AAA batteries To remove the grip slide the grip lock knob and push down on the grip To replace the grip align with the indicators and and then push up until it locks Mounting an AF Lens To mount an OM lens refer to page 37 1 Remove the rear lens cap and the body cap Align the red dots and slowly rotate the lens until it locks Do not touch the lens release button when mounting the lens 3 Remove the front lens cap Removing the Lens Press the lens release button and turn the lens counterclockwise 10 11 om f TAF Taking Photographs With autofocus and programmed exposure the OM77AF puts the fascinating world of SLR phot
21. priate for the aperture selected by the photo grapher This allows the user to vary depth of field for a variety of creative effects a small aperture for a photograph in which everything is sharply defined or a large aperture which by blurring the back and foreground emphasizes the subject There is no viewfinder display for in focus focus impossible shutter speed or aperture when using OM lenses 66 67 OM AF System OM AF System Lenses AF 50 mm F1 8 AF 28 mm F2 8 AF Zoom 35 70 mm F3 5 4 5 AF Zoom 28 85 mm F3 5 4 5 AF Zoom 70 210 mm F3 5 4 5 AF Macro 50 mm F2 8 AF 24 mm F2 8 AF Zoom 35 105 mm F3 5 4 5 Available in near future OM AF System Accessories Full Synchro Flash F280 Power Flash Grip 300 Power Grip 100 Dioptric Correction Lens 2 with Eyecup Eyecup 2 Recordata Back 100 TTL AUTO Cord F 0 6 m Notes on Using the OM77AF with Previous OM System Units e Auto Extension Tube 7 14 25 and Telescopic Auto Extension Tube 65 116 can be used only with OM lenses when autofocus is not available e When using the Telescopic Auto Extension Tube 65 116 the tripod mount should first be removed e The following units cannot be used The Zuiko Reflex 500 mm F8 Zuiko 600 mm F6 5 and Zuiko 1000 mm F11 lenses all Motor Drive Group units the Auto Bellows TTL Auto Cord T0 3 0 6 2 5 m TTL Auto Multi Connector TTL Auto Connector T20 Slide Copier Roll Film Stage and Trans llluminator Base X D
22. rtment may be soiled by film debris during long use of the camera Be sure to dust off the camera periodically Q How can preserve the camera in a humid environment and prevent the growth of mildew on it A Take it out of the case and store it in a poly ethylene bag together with a dessicant such as silica gel However do not use a dessicant that includes insecticide Other cautions When_other companies lenses are used correct exposure may not be obtained or they may cause malfunctioning so do not use them e This camera cannot be used for infrared photo graphy 72 73 Description of Controls 1 Pop Up Flash 5 Rubber Grip Section 6 Autofocus Illuminator OLYMPUS 2 Power Flash Grip 300 3 Grip Lock Knob 4 Lens Locking Button 7 Self Timer Button 17 Flash Pop Up Lever 8 AF PF Switching Button 16 Shoulder Strap Eyelet 15 Reset Button 14 Shutter Release Button 11 Hot Shoe 13 Main ON OFF Switch 10 F4 Mode Button 12 LCD Panel 9 Single Continuous Switching Button D 20 Eyepiece 21 AE Lock Button 22 Shift Knob Power Focus Program Shift 19 Camera Back Release Locking Button 18 Camera Back Release Knob 23 Film Window 24 Tripod Socket 25 Rewind Button 26 Rewind Locking Knob 75 Main Specifications of the OM77AF Type Autofocus auto exposure 35mm SLR camera Film format 24 x 36 mm Lens mount Olympus OM mount
23. s completely rewound into the cartridge 21 om TAF Taking Photographs II With a Continuous AF mode and a Program Shift that lets you choose at any time to shift within the program in an aperture or shutter preferred manner the OM77AF provides for the expression of every photographic idea 22 23 Taking a Continuous Series of Shots Continuous focusing and shooting is especially useful whan shooting moving subjects As soon as the subject is in focus the picture is taken and the film wound to the next frame This process Is repeated as long as the shutter release is held down Press the DRIVE button to enter the WINNA mode Press the shutter release PROGRAM a_i Using the Power Focus Useful when autofocusing on a subject is difficult Refer to page 51 Press the AF PF selection button to enter the PF mode PROGRAM blinks vty 1 7 1 SINGLE 258 43 Slide the shift knob PF Green LED in the viewfinder blinks during power focusing 24 25 When the knob is shifted to the right the lens focuses on closer subjects When shifted to the left the lens focuses on farther subjects Be sure not to press the lens locking button 1 while using the power focus as this will put the camera into autofocus mode Light pressure Fine adjustment Firm pressure High speed adjustment When the subject within the focusing screen is in 3 focus press the
24. setting for film with DX code Range ISO 25 3200 Viewfinder Focusing screen Fixed Super Lumi Micron Matte with autofocus frame Finder view field 93 of actual picture field Magnification 0 8X at infinity with 50 mm standard lens 76 Viewfinder information Type LCD display back illumination by LED Contents 1 Focus display 2 Shutter speed Aperture display 3 Over Under exposure warning 4 Flash display 5 Power focus dis play Display limiter Approx 30 sec LCD panel information Various mode informa tion in large LCD panel Film loading Auto loading automatically wound to first frame Film wind Automatic wind Single Continuous switchable Max wind speed approx 1 5 frames per sec Automatically stopped at film end Battery life With Power Flash Grip 300 8 rolls or more using flash for 50 of exposures With Power Grip 100 25 rolls or more Using LRO3 AAA alkaline manganese bat teries normal temperatures 24EX film Exposure counter Progressive type displayed on LCD panel Film rewind Automatic rewind with rewind but ton Automatic stop at film end Self timer 12 sec delay electronic self timer Power source Supplied by Power Flash Grip 300 or Power Grip 100 Four LRO3 AAA alkaline manganese batteries 77 Battery check 3 step display in LCD panel Data hold Static memory for necessary functions Dimensions 141 W x 89 H x 52 D mm 5 55 x 3 50 x
25. shutter release 26 Using the Program Shift Aperture and shutter speed can be set freely while maintaining correct exposure mode 3 Press the AF PF selection button to enter the AF PROGRAM Qu AF SINGLE 27 2 Slide the shift knob PROGRAM PROGRAM blinks S AF SINGLE Continue pressure on the knob until the desired shutter speed aperture combination appears in the viewfinder 8 28 COMIN lt 2 Light pressure 1 2 stop shifts 4m Firm pressure Continuous change Shutter speed increases Shutter speed decreases Faster shutter speeds will stop action Large apertures will keep your subject sharp and back ground out of focus Smaller apertures will maximize sharpness throughout your picture 29 Using the Focus Lock System 1 Press the button to enter the AF SINGLE mode PROGRAM Q__ AF SINGLE Press the shutter release lightly making sure the center subject is in focus green LED lights 30 31 While pressing the shutter release lightly change 3 the composition of the picture as you like A Press the release fully to take the photograph Using the AE Lock Useful for shooting against strong backlight The AE and AF locks can be used together on the same subject To eliminate extraneous light approach the subject so that it fills the viewfinder P Press the AE lock button 32 33 Wh
26. which it may be impossible to obtain correct focus A red LED in the viewfinder will usually indicate these conditions however in situations and the green LED in the viewfinder may illuminate even though the lens is incorrectly focused In any of these situations you can try focusing on a subject at a similar distance and then using the Focus Lock pages 30 31 recompose your picture or you can use the Power Focus mode pages 24 26 to focus manually Subject without vertical lines Subject without contrast Rapidly moving subjects Two subjects within the focusing frame at different distances Excessively bright light at the center of the focusing frame Subject with repeated pattern 57 Program The OM77AF programs offer the optimum balance between aperture and shutter speed settings to enable quick response to every photographic op portunity Also the Auto Program Shift selects automatically a program appropriate to the present focal length of the mounted lens while the Manual Program Shift lets the user shift shutter speed and aperture at any time and employ the program as an aperture or shutter speed preferred auto exposure program These two functions combine to produce a camera that can satisfy the demands of the begin ner as easily as those of the more advanced SLR user Aperture 15 16 17 18 19 20 Shutter speed 2 1
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