Flashes & lighting
Canon 577G Speedlite User manual
User manual for Canon 577G Speedlite. 40 pages in English. Read the original PDF, download or print a copy without registration.
40 pagesEnglish4.2 MB PDF
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Document details
- Brand
- Canon
- Model / document
- Canon 577G Speedlite
- Document type
- User manual
- Language
- English
- Pages
- 40
- File size
- 4.2 MB
- Category
- Flashes & lighting
- Document date
- Not specified in catalog
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Page 3 · Read text
INTRODUCTION www.orphancameras.com . , *
€
The Speedlite 577G is Canon's cial features and accessories offer Adapter 577G-2O,an optional ac-
most powerful electronic computer all of the necessary options for cessory.With special synchro cords
flash unit with many impressiveau- obtainingbeautifuland professional which are availableon the market
tomatic and professional features. results. For control of shadows and for connecting other Canon Speed-
With Canon SLR cameras, it goes better modeling of the subject, the lites, synchronizedmultipleflash is
well beyond the conventionalmean- flashhead tilts upward up to 12O" anotheroption.
ing of automatic in flash photo- and swings to the left and right * Since the Canon Speedlite577G
graphy. On a Canon New F-1, A-1 , 12O" each way. lts unique bracket does not have an internal power
AE-1 PROGRAM,AE.1, AL.1 or AV-1 design insures quick releaseof the source, use of the Canon Tran-
camera, it will automaticallyswitch flash unit for varying the distance sistor Pack G, which accepts
the shutter speed to the flash sync between the flash and the camera. either six C-size batteries or the 'f
speed of 1/60 second. (1/90 sec- And since it has a carefullymated, Canon rechargeableNi-Cd Pack ,.
ond in the case of the New F-1.) separate sensor which remains in TP, is required. ?
Even the aperture will be set auto- the camera's hot shoe, correct ex-
maticallyfor the New F-1 (Shutter- posure is obtained even when the
PriorityMode),A-1, AE-1 PROGRAM, flash itself is not aimed directly at
and AE-1 as long as the lens is on the subject.
"A". lf using one of the New F-1's or The 577G normallycovers the angle
A-1's slower shutter speeds is de- of view of lenses having a focal
sirable,that is possible too. Flash length of at least 35mm, but with its
photographywith the 577G is as Wide Adapter 577G-24, flash photo-
easy as turning on its power switch, graphy can also be done with 24 or
selecting one of three apertures by 28mm lenses. Even flash photo-
sliding one switch and waiting for graphy with a 20mm lens can be
its pilot lamp to glow. lts many spe- accomplishedby attachingthe WideView original page 3Page 4 · Read text
www.orphancameras.com Assemb1y............ ,..p.6 TransistorPackG ........... p g HowAutomaticFlashControlWorks ...p.11 Settingthe ASA FilmSpeed....... ...p.1A Settingthe ShutterSpeed .....p.12 Settingan Apertureon the Flash ....p.14 Settingthe Apertureon the Camera.... .....p.1S Pre-ShootingChecks........ ....p.16 Shooting .......p.20View original page 4
Page 6 · Read text
www.orphancameras.com
SENSOR
CLAMPINGBRACE @ @
@
@ oo
@
@ TRANSISTOR @
PACK G
@
CAMERASUPPORTBRACKET
o FlashHead O AUTO/MANUSwitch @ Motor DriveMF Adapter
@o Slow-SyncTransistorPackAUTO/MANUG ConnectingSwitch @@ AutoPilotLampCheck(FlashLampTestButton) @ AttachmentFramingGuidesSite
Socket @ SensorUnitSocket @ Tripod SocketScrew
@ SynchroGord Socket @ PositioningGroove @ Wide Adapter 577G-24
o AutoShootingDistanceRange @ BracketCouplingPin @ Lock Nut
Scales @ TighteningScrews @ SynchroCord A Socket
@ ASA FilmSpeedSettingDial @ SlideLock ReleaseButton @ Sensor
O AttachmentGroovefor Wide and @ ThreadedAttachmentPoint @ ConnectingPlug
Tele Adapters @ CameraPlacementPositioning O CouplingIndex
@ ApertureSelectionWindow G roove @ PilotLamp
I ApertureSelectionSwitch @ TripodScrewSocket 69 PowerSwitch
@ TiltingAngleIndicatorWindow @ BracketCouplingPin SocketView original page 6Page 7 · Read text
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ASSEMBLY
Slide lock button to left. While Screw large tripod-type screw Adjust positionof supportbe-
fore completing. holding it in, pull flash section into the threaded end of the
apart f rom camera suPPort. groove.I
A l i g n the index on the clamP After sliding clamP on griP, re- Align f lash section with
with positioninggroove on the tighten the two screws on flash camera support section and
g n p . section. pushthem together.View original page 7Page 8 · Read text
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(1) Bracket to Camera (21 Bracket to 577G's Grip (3) Flash Section to Gamera
Support Section
1. Slide the lock button on the flash 1. With a coin or a similar object, Align the flash and camera support
section of the bracket to the left loosenthe two large screws on the sections of the bracket and push
and, while holding the button in, flash section.Separatethe clamp them together (Photo 6). The lock
separatethe flashsectionfrom the from the rest of the section. buttonon the flashsectionwill spring
camerasupportsection(Photo1). 2. Align the index on the clamp to the right when the two parts are
2. Screw the large tripod-typescrew with the positioninggrooveon the lockedtogether.
into the camerasupport sectionof grip and slidethe clamp as far up * To separate the two sections of
the bracketto the screw thread at aroundthe grip as you want (Photo the bracket,slide the lock button
one end of the groove(Photo2). 4). on the flash sectionto the left and
3. Screw the tripod-typescrew part- 3. Realignthe flash section with the push it in. The lock button must
way into the tripod socket on the clamp and retighten the two also be in this position for cou-
camera's base. Before screwing it screws (Photo 5). The clamp pling the two sections as above.
in the rest of the way, shift the should be positionedon the grip
camera support back and forth so that, when assembly is com-
until the ridges acrossthe front of pleted, the flash will be facing
it are right up againstthe front of straightahead,in the same direc-
the camera. Make sure the tion as the lens.
camera is not sitting on top of
these ridges. Also adjust the
support sidewaysfor the best fit.
Then finish tighteningthe screw
(Photo3).View original page 8Page 9 · Read text
www.orphancameras.com (4) Sensor Unit G20 to Camera attached.See p. 31. and Flash A flash coupler must be used to Ratherthan havinga built-insensor, attach the sensor to the Canon the 577G has a separateone which F-1. Three are available as oP- slips into the camera's accessorY tional accessories.Flash Coupler shoe. lt is very finely attuned to the F is especiallyfor this combina- particularSpeedlite577Gwith which tion. Flash Coupler D or L may it comes so that it can give the best also be used. results possible. Since the 577G and the sensor 1. Loosenthe sensor'slock nut and provided with it are so carefully slide it into the camera's acces- matched to each other, they sory shoe so that its eye is facing should be considereda set. Do forward. lf the accessoryshoe is not use the 577G with a different a hot shoe, be carefulto push the sensorunitG20. sensor all the way in so that Pro- per electricalconnectionwill be made.Thentightenthe lock nut. 2. To connect the sensor with the 577G,alignthe index on the Plug at the end of its cord with the index on the 577G'ssensorsocket and pushthe plug in all the way. * lf the camera does not have a hot shoe, Synchro-CordA, an op- tional accessory, must also beView original page 9
Page 10 · Read text
TRAIVS/STORPACK www.orphancameras.comG
This accessoryprovides power for accessory),which is rechargeable.
Speedlite577G. The Ni-Cd pack should be fully
Proper Batteries:Six new C-size al- charged.
kaline-manganesebatteriesor the
Canon Ni-Cd Pack TP (optional
Turn off the transistor pack's Insert the set of six alkaline- Insertthe transistorpack into
power switch. manganese batteries into its case and rehook the cord.
battery m agazine TP.
Align the plug's index with Turn on transistor pack's Turn 577G's AUTO/MANU
the 577G's power source powerswitch.Lamp next to it switch to AUTO for auto-
socket index. Push plug into shouldlightup. maticflashcontrol.
socket.View original page 10Page 11 · Read text
www.orphancameras.com
t.
1. Unhook the Transistor Pack G's (Photo 4). t lf you do not expect to use Tran- t
cord from its case and remove the 6. Turn on the transistor pack's sistor Pack G for a long time, re-
pack from the case. power switch. The lamp next to move the alkaline-manganese I
2. Turn off the transistor pack's the power switch should light up batteries from the magazine. Ni- i
power switch (Photo 1). (Photos). cd Pack TP may be left inserted
3. Insert the set ot six al- 7. Make sure the usual preparations but the power switch must be off
kaline-manganese batteries into as described in the tollowing to prevent corrosive battery ;
battery magazine TP as illustrat- pages have been made on leakage and other potential dam-
ed. Then align the contact on the camera, flash and lens and wait age.
magazine with the transistor for the 577G's pilot lamp to glow. * Be sure the transistor pack's
pack's and insert the one into the Then take the picture (Photo6). power switch is off whenever it is ;
other(Photo2). .. * The transistor pack's operation notinuse.
OR lamp glows as long as the power * Should the battery temperature
Insert a fully-chargedNi-Cd Pack switch is on and there is power. rise in continuousshootingwith C- ' TP into Transistor Pack G the However,even when it is glowing, size batteries, you may rest at
same way as battery magazineTP the batteries should be replaced ease,for it is a normal condition.
is inserted. with new ones or the Ni-Cd Pack + There is a protective lining be-
4. Reinsert the transistor pack into TP should be recharged if the tween Battery Magazine TP and
its case as shown in the photo. flash unit's recycling time be- TransistorPack G.
Thenrehookthe cord (Photo3). comeslongerthanusual. Before using, remove this lining.
5. Align the index on the plug at the * When the batteries wear out, re- lt may be thrown away.
end of the transistor pack's cord place all of them at the same time
with the index on the 577G's ex- with a set of new ones which are
ternal power source socket. Push all of the same brand.
the plug securely into the socketView original page 11Page 12 · Read text
HOW AUTOMATIC FLASHwww.orphancameras.com
CONTROLIIWRKS
The 577G's sensor acts something In order to do this properly, the To make its decisionon when the
like the camera's photocell; it sensormust, like a camera'sphoto- subject has receivedenough light,
measuresthe intensityof light from cell, be as closeto the film as possi- the sensor must know three things:
the flashwhich is reflectedback from ble and facingthe subject.Sincethe 1) the f ilm speed,2) the apertureand
the subject.When it decidesthat the 577G's sensor is separate in the 3) the shutter speed. You must
subjecthas receivedenough light,it camera'saccessoryshoe,it is always alwaysset the ASA film speed on the
automaticallycuts off flashemission. in the best positionto measurethe flash by hand, but dependingon the
light correctlyeven while the flash camera you use, the flash may set
unit itselfcan be aimed in many dif- the aperture, the shutter speed or
ferentdirectionsfor the best lighting both automatically.The table on the
effect. left shows the variousways that the
aperture and shutter speed may be
set with variouscameras.
A-1, AE-1 PROGHAM, Automaticallyswitches Automatic(When
AE-1, New F-1 (Shutter- to X-sync unless on using FD lens set on
il8" Priority AE Mode) "A" mark)
AL-1,AV-1,New F-1 Automaticallyswitches
(Aperture-PriorityAE to X-sync unless on
or Manual Mode) rrBrt
1 1View original page 12Page 13 · Read text
SETTING THE SETTINGwww.orphancameras.comTHE
AS4 FILM ST'UTTERSPEED
SPEED
The sensor must know the ASA film Canon New F-l GanonA-1 Camera
speed to give correct exposure. Normal Flash Photography: Once Normal Flash Photography: Make
Make sure it is set correctly on both the 577G is attached to the sure the 577G's slow-sync
the camera and the flash. To set it on cameraand its pilot lamP is glow- AUTO/MANU switch is on
the 577G, rotate the calculator dial ing, the camera switches auto- "AUTO".Exceptfor "B" (Bulb),the
until the film speed index is aligned maticallyto a sync speed of 1/90 AT dial and AE mode selectormay
with the ASA speed which corres- sec., providedthe shutter dial is be on any settingand the shutter
ponds to that of the film in the not on "8". speedwill switchto 1/60 sec.,the
camera. Slow Sync Flash: Set the 577G's f lash synchronization speed,
slow sync switch to MANU.Then automatically as soon as the
turn the camera'sshutter dial to 577G'spilot lamp glows.lf the AT
any speed from 1/60 sec. to B dial is set to "="', you will be in
sec. control of exposuredurationjust
as you normallyare with "8".View original page 13Page 14 · Read text
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Slow Sync Flash: Set the 577G's Ganon AV-l Other Cameras
slow-sync AUTO/MANU switch The shutter speed will switch to the Set the shutterspeed dial by hand to
on "MANU". Set the AT dial to a ffash sync speed of 1/60 sec. auto- the camera'sX flash synchronization
shutterspeedfrom 1/60 sec.to 30 maticallywhen the 577G'spilot lamp speed:e.9.,to 1/60 sec. or sloweron
sec. The picture will be taken at glowsif the selectordial is on the red the CanonF-1.
the speedto which the dial is set. @ (the preferable setting). tt witl
stay on 1/60 sec. continuouslyif the
dial is set to "60 +". lf the dial is on
"A Self" or "Self k", the shutter
Canon AE-1 PROGRAM, AE-l, speed will be 1/60 sec. and the
and AL-1 flash will be synchronizedwith the
Exceptfor "8", the shutterspeed dial camera for a delayed shot by self-
may be on any settingand the shut- timer.
ter speed switch to the flash sync
speed of 1/60 sec. automaticaily as
soon as the 577G'spilot lamp glows.
lf the dial is set to "8", "8" will be the
exposureduration.View original page 14Page 15 · Read text
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SETTING AN APERTURE
ON THE FLASH
You set an aperture with the aperture Each positionhas a corresponding to check that the camera is within
selection switch on the back of the apertureand auto shootingdistance that range: either by reading the
577G. The switch has three color- range. The auto aperture is the f- lens' distance scale after focusing
coded positions: red, green and Yel- number which is directly opposite or by the autochecklamp (seep. 16).
low. As you slide the switch, the color the dot which is the same color as When you are decidingwhich of the
of the position you have set will the positionof the apertureselection three positions of the selection
appear in one of three windows on switch.lt changeswith the ASA film switch you should set, place Prime
the back of the flash. speedyou haveset on the calculator importanceon the shootingdistance
dial. For instance,if you haveset the range.lf the actualshootingdistance
apertureselectionswitch to the red falls within the range of two or all
position,the auto aperture will be three positions,take depth of field
f /2.8 at ASA 100 but f /5.6 at ASA 400. intoaccount.
* The indicated auto shootingdis-
The auto shootingdistancerange is tance rangesonly hold true if the
indicatedby the straightwhite line flash is pointing straight at the
which is directly opposite the set- subject. lf the flash head is tilted
2Jn{E.2f0..-{r{-i' I imrs6rt) ting of the apertureselectionswitch. or swung for bounce flash, or if
There are three lines,one for each the flash is held some distance
positionof the switch. Each repre- from the camera,rely on the auto
sentsthe rangeof distancesfrom the check lamp to tell you if you are
subjectfor which that positionof the within the correct range (see p.
a) Auto Shooting Distance Ranges selectionswitchwill give correctex- 26). These ranges also change if
b) Auto Aperture Indices posure.lf the camera is out of that a wide or tele adapter is at-
c) SelectionSwitch Position range, the subject will be over- or tached. See p. 23 and "Specifi-
Indicators underexposed.There are two ways cations",p. 35.View original page 15Page 16 · Read text
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SETTING THEAPERTURE
ON THE CAMERA
New F-1 (Manual, Aperture-Priority New F-1 (Manual, Aperture-Priority
Mode), A-1, AE-1 PROGRAM,and Modes) and Other Cameras
AE.1 Turn the aperturering to the same
oFD Lens: Leave the lens on "A". apertureyou have set with the selec-
The apertureyou have set on the tion switch on the flash or to a dif-
flash will be set on the camera ferent apertureif you wish to correct
automaticallywhen the 577G's exposure.
pilot lamp glows. The settingsof 1.3m(4.3ft.) the A-1's AE mode selectorandk-- AT dial do not matter (except in
relationto shutterspeed,p. 12).tlf
you wish, you may remove the
aperturering from "A" and turn it
to the auto apertureyou have set
on the flash or to a different
apertureto make an exposurecor-
rection.ln this case,rememberto
reset the aperture each time you v reset the selectionswitch on the
577c.1
oFL Lens: See "Other Cameras",
next columnView original page 16Page 17 · Read text
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PRE-SHOOTINGCHECKS
l. Test Firing and Auto Shooting correct, press the pilot lamp after ll. Checking Viewfinder Infor-
Check it glows.A flash should be fired. lf mation
the auto check lamp next to the The Canon New F-1, A-1, AE-1
pilot lamp lights up right after- PROGRAM,AL-1, AE-1 and AV-1 S P E E D L I T E 5 7 7 G
CANON JAPAN wards for about two seconds, it have special viewfinderinforma-
meansthatyour shootingdistance tion for flash photography.You
will give correct exposure. lf it can check it by pressing the
does not glow,eitherset the aper- shutter button halfway after the
ture selection switch to a better pilot lamp glows.
position or move closer to your
\ a b c subject.This method of checking New F-1 Information
shooting distance is especially (1) Full Autoflash Mode: Shutter-
A) AUTO/MANU Switch helpfulwhen the flash is tilted or PriorityAE Mode (with AE Motor
b) Pilotlamp swungfor bounceflash(p. 25). Drive FN or AE Power Winder
c) Auto Check Lamp * The auto check lamp tells you FN attached, FD lens on "A"
whetheryou are close enough to and shutterdial not on "8").
Now that all camera, lens and your subjectbut not whetheryou
flash settings have been made, are far enough away. Even if you (example)
turn on the power switch on are too close to get a well-
Transistor Pack G. After the flash exposed picture,it will still glow,
reaches sufficientcharge for f iring, so always keep the shooting
the pilot lamp will glow and you ranges given on the back of the
can take a flash picture anytime. flash in mind and double check
lf you wish to check the flash and the lens'distancescaleif you think 30
whether the shooting distance is you mightbe too close.View original page 17Page 18 · Read text
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Film Speed of ASA 100; Aper- Manual Mode: Turn the lens ap- A-1 Information
ture Selection Switch at red erture ring to the same aperture (1) Full AutoflashMode: FD lens on
positioni Slow-Sync AUTO/ set on the flash. The aperture "A" and nf diatnot on "8".
MANU Switch on AUTO. needle points to the aperture
* that has been set on the lens. (example) Shutterspeed is automatical-
ly set to 1/9O sec., even
Aperture-PriorityAE Mode: Film though shutter speed display
Speed of ASA 100; Aperture shows what has been set on
SelectionSwitch at red position; Film Speed: ASA 100, Aperture the shutterdial.
Slow-SyncAUTO/MANUSwitch SelectionSwitch: Red position,
(2) AutomaticShutter Setting Auto- on AUTO. Slow-syncAUTO/MANUSwitch: on AUTO. flash Mode: Manual Mode or ffi@|
Aperture-PriorityAE Mode (the * latter mode with AE Finder FN, Manually set the aperture to (2) AutomaticShutterSettingAuto- shutterdial on "A"). the lens the same aperture
flash Mode: FD lens off "A" and that has been selectedfor the(example) AT dial not on "8". flash.
* (example) The camera switches auto-
matically to X-sync (1/90
sec.) and the meter needle
points to the right of 1/60 Film Speed: ASA 64, Aperture sec.
Selection Switch: Yellow posi-
30 tion, Slow-sync AUTO/MANU
Switch:on AUTO.
1 7View original page 18Page 19 · Read text
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60 ..........indicatesshutter speed is in the viewfinderfor both flash (lf the displayblinkswith an aper-
1/60second. modes.Automaticflash control is ture which is the same as the lens'
F ............indicatessufficientcharge possibleon "B". maximumaperture,exposurewill
for firingflash. be correctanyway.) (example)2.8,9.5...isthe apertureset on flash. 2. Aperture display blinks showing
Even if you turn the aper- aperture of 1/16 to t/32: means
ture ring to a different aperture set on flash may be too
aperture from that set on small. Check the apertureset on
the flash,the viewfinderwill * The aperturedisplaymay be one the flash.lf it is the same or larger
still show the aperture on half f/stop off the one set on the than the lens' minimumaperture,
the flash.However,the pic- flash.This is becausethe aperture exposure will be correct. Other-
ture willl be taken at the display is rounded off to half wise, set the 577G'saperturese-
aperture you have set on f/stops;it will not affectexposure. lectionswitchto a largeraperture.
the lens. (example)
M...........remindsyou that you have
taken the aperture ring off A-1 Warnings
"A" to set an aperture by 1. Aperture display blinks showing
hand. maximum aperture: means the
* With an FL lens, viewfinderinfor- apertureset on the flash is pro-
mation on aperture is not always bably larger than the lens'
reliable.Make sure the aperture maximumaperture.Set the aper-
ring is set to the aperturechosen ture selectionswitch to a smaller
on the flash. aperture. Be sure to check the
* lf the AT dial is on "8", "bu" re- aperture set on the flash if this
placesshutterspeed information happens.View original page 19Page 20 · Read text
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AE-1 PROGRAM,AE-1 lnforma- finder. lt reminds you that you AL-1, AV-1 Information
tion have taken the aperture ring off (1) AutomaticShutterSettingAuto-
(1) FullAutoflashMode:FD lenson "A" for manual aperturesetting.) flash Mode: Selectordial not on
"A" and shutterspeeddial not AE-1 PROGRAM Warnings ,,8".
o n t t B t t . The aperture selected on the flash * Synchronizedflash photography
(example) will blink in the viewfinderif that ap- is possibleonly when the meter
Film Speed: ASA 100; Aperture erture is larger than the maximum needlepointsto 1/60 second.
SelectionSwitch:Red position. apertureof the lens.
AE-l Warnings
1. Underexposure warning lamp
2.8 blinks:meansthe apertureset on
the flash is larger than the lens'
maximumaperture.Set the aper-
ture selectionswitch to a smaller
aperture(lamp shouldstop blink-
ing). tr 2. Meter needle swings into
overexposure warning zone:
AE-1 PROGRAM AE-1 means aperture set on flash may AL.1 AV-1 be too small. Check it. lf it is the
(2) Automatic Shutter Setting Auto- same or larger than the lens'
flash Mode: FD lens off "A" or minimum aperture,exposurewill
FL lens. ("M" mark will flash in be correct. lf it is smaller,set the
AE-1 viewfinder,and will light aperture selection switch to a
up in AE-1 PROGRAMview- largeraperture.View original page 20Page 21 · Read text
www.orphancameras.com SHOOTING Onceall preparationsdetailedon the You can continue flash photo- shutter curtain is open, the 577G's precedingpages have been made, graphy if the pilot lamp is still pilot lamp will glow and the f lash makesurethe subjectis in focusand glowing after the shutter is re- may fire. In this case, correct ex- that the 577G'spilot lamp is glowing. leased. lf the pilot lamp does go posure cannot be guaranteed. Thenpressthe shutterbuttonto take out after a flash shot, you can PROBLEM BACKGROUNDS the picture.lf the auto check lamP take a shot in the normal AE Certain types of background may glows immediatelYafterwards, it mode while waiting for it to glow lead to incorrect exposure. A verY meansthatyou werecloseenoughto again. (This, however, does not small subject againsta very dark or the subjectfor correctexPosure. apply when the shutter speed is distant background maY turn out * ln delayedflash photographywith set to "8" or when the camera is overexposed.On the other hand, if the camera's self-timer,do not not set for AE photography.) the surroundings are bright white pressthe shutter button to set the Make sure that the shutter speed with strong reflections,the subject timeruntilthe pilotlamPglows. or aperturewhich will be used for may be underexposed. * Whenthe shootingdistanceis less normal AE photographywill give thanone meter,the differencebe- correct exposure,too. tweenthe optical axes of the lens When the f lash is no longer and the flashmay resultin uneven necessary, be sure to turn off lighting. the Transistor Pack G's Power x Since it is possiblefor viewfinder switch to prevent battery drain. informationin the New F-1, AE-1, With the power switch off, it is AL-1, or AV-1 to be the same in possibleto shoot normallywithout flash photographyas in normal detachingthe flashor the sensor. AE photography,it is advisableto While Performing normal AE check that the PilotlamP is glow- photograPhYas the flash recYcles, ing beforeshooting. there is a possibilitythat,whiletheView original page 21
Page 23 · Read text
www.orphancameras.com WideAdapter577G-24 ..........p.2g ManualFlashPhotography.. ...p.24 BounceFlash .p.Zs BounceFtashon Manuat....................................:.:.::.:.;:t6 Slow-SyncFlash Photography...,..... .,............F.2g (with Canon New F-1 and A-1 only) MultipleFlash .....p.30 Useof 577Gon CamerawithoutHot ShoeView original page 23
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www.orphancameras.com WIDE ADAPTER 577G-24 Normally,light from the 577G is ln all otherrespects,the flashmay be spread wide enough to cover the usedas usual. angle of view of a 35mm or longer * With Wide Adapter 577G-24 lens. lf it were used with a wider attached, the 577G's guide angle lens,the edges of the picture n u m ber becomes28 at ASA100. would be too dark. With the Wide * lf you usethe flashwith WideAda- Adapter 577G-24, the flash unit's oter 577G-24and a 24mm lens to lightis diffusedenoughto cover the copy a flat subject, the picture angle of view of 24mm and 28mm will be dark around the edges. lensesalso.(lt may also be usedwith This combinationis mainly for lenses longer than 2Bmm). At the taking pictures of three-dimen- same time, the unit's power is re- sionalsubjects. duced and the farthestdistancesat * For using the flash with a lens whichyou can shoot are closerthan having a focal length down to theyusuallyare. 20mm, Wide Adapter 577G-20is To attach the wide adapter,simply availableas an optionalaccessory. slide it in the grooves of the flash head so that the colored distance scaleson its one side are facing the back of the flash. These distance scales, which show the reduced shooting ranges, replace the ones below the calculatordial. They are color-codedto match the three po- sitionsof the apertureselectiondial.View original page 24
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