Mamiya M645 1000S manual Aperture Ring/Stop-down Operation, Depth-of-Field Preview Lever, AM Lever

Aperture Ring/Stop-down Operation

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(c)TheredBrepresentsBULB.The shutterwillremainopenaslongasthe shutter release button is depressed whentheshutterspeeddialissettoB. (d)Thered60Xrepresentsthehighest permissibleshutterspeedforelectronic flash synchronization.

(e)TheredOmark isthepositionthe shutterspeeddialissettowhenthe PDPrismFinderisused.

*Iftheshutterisreleasedwiththe shutterspeeddialsettothe@ position andthePDPrismFinderisnotattached tothecamera,theshutterwilllockin theopenposition. If the camera is left

in this condition, the battery will lose

its power within several hours, so rec- tify the situation at once. (Movingthe shutterspeeddialtoBor1/1000sec. willclosetheshutter.)

*Whilegentlypushinginonthesafe- tylockbutton,theshutterspeeddial canbesettoanyclick-stopandthen lockedintoplacebyreleasingthelock button;however,theshutterspeeddial cannotbeusedatintermediatespeed positions.

Setthedesiredf/stopontheaperture ring(34)byaligningthef/numberwith theredreferencedot(A).(Theaper- ture ringhasaclickstopforeach f/stop.In-betweenclickscanalsobe used)

0 Depth-of-Field Preview Lever

KeeptheAMleverofthelens(29)at theAutoposition(theletterAisvisible), andwheneverdesiringtoviewthe

depth-of-field,merelypushalltheway upwardonthedepth-of-fieldpreview

lever(5)tostopthelensdowntothe preselected aperture. Releasing the previewleverwillreturnthelenstoits maximumaperture.

0 AM Lever

Moving the AM (Auto/Manual) lever(29) ofthelenssothatMisvisiblewillstop thelensdowntothepreselectedaper- ture.

*Whendesiringtousethe depth-of- fieldpreviewleverwiththe70mmf/2.8 !ens(w/built-inbetween-the-lensshut-

ter),firstsettheshutterspeedringof thelenstoF(Focalplaneshutter)index

mark.

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