Camera accessories
Mamiya 645 Power Grip WG402 User manual
User manual for Mamiya 645 Power Grip WG402. 8 pages in English. Read the original PDF, download or print a copy without registration.
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Document details
- Brand
- Mamiya
- Model / document
- Mamiya 645 Power Grip WG402
- Document type
- User manual
- Language
- English
- Pages
- 8
- File size
- 1.2 MB
- Category
- Camera accessories
- Document date
- Not specified in catalog
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Page 3 · Read text
Features
The PowerDriveGripWG402 is designedexclusivelyfor the 645 PRO cam-
era. Providingcompactsize,lightweight,simplicityand comfortablegrip,it
advancesthe film at approximatelyone frameevery0.8 seconds(exceptat
slow shutterspeeds).
HANDLINGCAUTIONS
1.The Power Drive Grip WG402 is exclusivelydesignedfor 645 PRO
cameraand it cannotbe fittedwith M645 SuperCamera.
2.When the Power Drive Grip WG402 has not been used for a long
time,checkthe batteryconditionfirstby makingsometest exposures.
3. Be surethatthe PowerDriveGrip is firmlylockedto the camerabody.
4.lt is desirableto replacethe batterywith a fresh one as soon as you
feel that the film advancespeed is sluggish.
5. Even when using the Power Drive Grip, it is recommendedto also
attachthe neck strapto the camera as a safetymeasureand for port-
ability.
Battery Care
1. Carefullywipethe contactsof the batterybeforeinsertingit intocham-
ber.
2.When not using the Power Drive Grip for a long periodof time, re-
movethe batteryand store it in dry, cool place.
3.When goingon trips be sure to carrysparebatteries.
www.orphancameras.comView original page 3Page 4 · Read text
,'..'. ,1,....,',',..., N,a'mg$'.,Pfi'ffi
Lock Leverfor Shutter @ Lock Levero ReleaseButton @ Lock ReleaseButton
@ BatteryChamberCover@ ShutterReleaseButton
@ BatteryChamberCoverLatch@ ElectricalContacts
@ AttachingPartView original page 4Page 5 · Read text
Attaching afd DetachingthH
Grip WG402
1.To attach,first remove the Film Advance
Crank AC401 from the camera body, and pro-
ceed as follows.
(FisE) ,.
2. Aligh the white index dot on the camera's
Multi ExposureLever againstthe white square
indexmark.1 Fig E )
3.Then, while pressingon the blue Lock Re-
lease Buttonon the grip, push up on the Lock
Leverin the directionof the arrow.( Fig E )
gripintothe fourguidepinson the camerabody. ffii{l 4. Firmlyinsertthe mountingguideholeson the
(The Neck Strap Lug also servesas a guide pin
for securingthe grip.)
, " ' "
5.Aftermakingsure that the grip has been prop-
erly aligned,push the lock leverdownwarduntil
you hear a click.
* The Power DriveGrip WG402 is lockedwhen
the Lock Lever is down, while it is unlocked
when it is up.
www.orphancameras.comView original page 5Page 6 · Read text
Insertin
1.Withyour fingernail,pullthe BatteryChamber
Cover Latch on the bottom of the grip as indi-
cated by the arrow in the illustration1 fig tr )
2. Lift the cover off and inserl a 2CR-5, 6 Volt
LithiumBattery into the batterychamber by tak-
ing care to match the + poles of the batterywith
those shown in the diagramin the chamber.
Then closethe batterychambercoverfirmlywith
a click.( FigE ) * When the film advancespeed sounds slug-
gish, it is time to changethe battery.View original page 6Page 7 · Read text
Operation
E Wn"n the Start Mark on the roll film is aligned with the Start Mark
( a. ) on the spool clip.
1. Push the ReleaseLock Leverin the direction
of the arrow untilit stops.(FigE)
2. Pullout the DarkSlideand the camerais then
readyfor exposures.
3.A single press on the grips ShutterRelease
Buttonwill automaticallyadvanceone frame.
4.When the final frame has been exposed,the
PowerGripautomaticallywindsthe film ontothe
take-upspool so that the exposedfilm can be
taken out.
5. For continuousexposure:
1) Alignthe white indexdot on the camera's
ShutterReleaseSelectorcollar with the
white squaredot in the center.(FigE )
2) Simply keep pressingdown the Shutter
ReleaseButtonon the camera body, or
you may also use the Electromagnetic
Cable Release.
* Whenthe camerais usedwiththe PowerGrip,set the selectioncollarto the
red dot exceptthe continuousexposureoperationto preventan accidental
shutter releaseby touchingthe Shutter ReleaseButton of the camera
body.
E Wn"n a loaded roll film holder is attached to the camera in mid-roll
and the film is not advanced to next frame. the shutter cannot be re-
leased.
1. Firstinsertthe DarkSlideintothe rollfilm holder.
2. To readythe next frame,slightlydepressthe
shutterreleasebuttonon the PowerGrip or the
BatteryCheck Buttonon the camerabody.The
"Auto Winding Mode" built into the camera
body is actuated.lFig E ) * Use the "Auto Winding Mode" featurewhen
taking a photographafter changingthe lens or
replacingthe holder.
3.Withdrawthe Dark Slideand the camerais then readyfor use.
E Wn"n using the Leaf Shutter Lenses
(A80mm tl2.8NlL, A55mm tl2.8NlL, A150mm f/3.8 N/L)
Cock the leaf shutterin the lensesmanuallyby turningshuttercockingring
on the lens.
* See Leaf ShutterLens instructionsfor detailedoperationinformation.
MultipleExposures
l.Remove the Power Grip from the camera
body by pushingup the Lock Lever while de-
pressingthe Lock ReleaseButton.
2.Alignthe white dot of the MultipleExposure
Leverwith the yellow"Multi" square.(Figtr )
3.Afterattachingthe PowerGrip to the camera
body, push down the Lock Lever of the grip
firmly.The multipleexposuremode is now
operable.(FiglU )
* To overridethe multipleexposuremode or to
returnto normaloperation,be sure to returnthe
lever'swhite dot againstthe white square.
. lt is recommendableto use the FilmAdvance
Crankfor the multipleexposure.
Attach the Film AdvanceQrank insteadof the
PowerGrip WG4O2by referringpage 13 of 645
PRO InstructionBook becausethe Film Ad-
vanceCrankis more convenientfor the multiple
www.orphancameras.comexposure.View original page 7Page 8 · Read text
' ,lLSp"cifications
Power source LithiumBattery,2CR5. 6V
Film transport Ratio Approx.one frame per 0.8 sec (exceptat slower
shutterspeedsthan 1/60 sec.)
Operation Simply by pressingthe ShutterReleaseButton,
the PowerGrip will be in the operationmode.
When the last frame is exposed,it will automati-
callyadvancethe remainingfilm onto the take-up
spooland then stop.
When the 135 Film Holderis in use, rewindthe
film with the film rewindknob by pressingthe film
rewindbuttonafterthe last frame is exposed.
Photographingmode Singleframe photography(Continuoussequence
photographyis possibleby pressingthe Shutter
ReleaseButtonof the camerabody.)
Multiple exposures By the MultipleExposureLever of the camera
body
(The Power Grip WG402 does not providea
switchleverfor multipleexposure.)
Maximum transport Approx.130 rollsof 12Ofilm with LithiumBattery.
Ratio (Accordingto Mamiya'sLaboratorytest made at
normalroom temperature)
Size 56mm (W) x 83mm (H) x 69mm (L)
Weight 1909 (withoutbattery)
( €
Specificationsand f'eaturesare subject to change without notice. Printedin Jaoan
02590-PK-03EView original page 8From the M. Butkus archive. Original publisher and archive notices are retained.
Check the model and edition against your equipment.
PDF verified 2026-10-10.