Mirror Lock-up | Mamiya M645 1000S specification

Mirror Lock-up

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Whenthecameraismountedonatripodforcopyworkortelephotographyat long(slow)shutterspeeds,thesmallamountofvibrationsdueto”mirror-bounce”,

whichnormallyareofnoconsequence,maycauseblurringoftheimagedueto thehighmagnificationencounteredinextremeclose-upsandtelephotography. Mirrorshockcanbeeliminatedbylockingthemirrorintheuppositionbefore makingtheexposure.

1.Tolockthemirrorup,merelymovethemirrorlock-uplever(23)backwards, untilitishorizontal(thelevermaybeloweredeitherbeforeoraftercockingthe

shutter).

2.Withtheshuttercocked,releasetheshutterwithacablerelease.After releasingtheshutter,youmaywindthefilmadvancecrankwiththemirrorstill intheuppositionifyouwish.

*Returnthemirrortoitsnormalpositionimmediatelyaftercompletingallof yourmirrorlock-upphotography.

*Whenusingthe70mmf/2.8lens(w/between-the-lensshutter),besureto refertotheinstructionspackedwiththelens.

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Image 52

Mamiya M645 1000S manual Mirror Lock-up

Contents

Page Page InterchangingtheFilmAdvanceCrank Special Features of the Mamiya M645 1000S \ ’ \ ~--- ~.~ -.-I~ Multi-Coated Lenses Flatness of the Film PlaneUnlimited Scope Specifications Camera Body Interchangeable Finders Names and Functions of Parts Battery check button Film plane markBack cover latch Back cover @ Battery chamber cover latch Battery chamber coverNames and Functions of Parts @ Tripod socket Lever Aperture ring @ Exposure meter coupler Ames and Functions of Parts Diopter correction lens retainer ring EyepieceFinder release button EYecUP Meter switch PD Prism Finder SAperture ring couplin Shutter speed dial ASA window ASA dial CdS Prism Finder Cover Auxiliary mask for Dot forMagnifier Sports finder eyepiece Testing to See if the Camera Functions Properly Interchanging Lenses Removing the body cap Attaching Lenses Interchanging Finders Attaching Finders Precaution Removing Finders Focusing Screens Interchanging Focusing Screens Inserting a Battery -~ Battery Check Film Loading Loading the FilmPage Using Roll-Film Designed for Six Exposures Insertion of the Film Insert Memo Clip Page Depth-of-Field Preview Lever Aperture Ring/Stop-down OperationAM Lever Focusing Shutter Release and Film Transport Mechanism \\ \ \ \ \ \ ’ \Shutter Release Lock Ring Unloading Film Neck Strap Methods of holding the camera securelyAttaching to Camera Removing from Camera Waist-Level Operation Hand Grips Special ‘Features Using the PD Prism Finder S 1 -l.--- II --~-I- I~Specifications 6400 Using PD Prism Finder $ Compensation Hints Exposure CompensationCorrect Exposure Measurement Special Features Inserting the Battery Method of Use Using the CdS Prism Finder Aperture Priority Method Using the CQS Prism Finder ~... .. .-.-~Meter Coupling Range Usable Shutter Speeds unshaded area Using the Waist-level Finder S Using the Waist-level Finder S 2 ~ -- -- -~ Lowering the Magnifier Interchanging Magnifiers Using the Sports Finder Using the Auxiliary Mask Page Page Using Flash \ ,\ Flash Synchronization Chart Refertothedatasheetpackedwiththefilm Mirror Lock-up Using the Delayed S Shutter Release Interchanging the Film Advance Crank Removing the crank Attaching the crank Attaching the knob Removing the knob Tripod Socket Time Exposures Shutter release button will not move Trouble-ShootingYou touch the X-sync terminal Precautions Photographing at Low TemperaturesReleasing the shutter with no film in the camera Mirror Lock-up Care of the Camera CleaningCheck