Chapter 1 - Basic info
190
Chapter 14 - System specifications
camera specifications
Camera type
: 6 x 4.5cm format, electronically controlled focal-plane shutter, TTL multiple mode AE, AF single
lens reflex
Actual image size
: 56 x 41.5 mm
Lens mount
: Mamiya 645 AF Mount, compatible with M645 Mount (manual focus confirmation, focus aid,
stopped-down exposure metering)
Viewfinder
: Fixed prism viewfinder magnification x0.71; built-in diopter adjustment (-2.5 to +0.5, optional
diopter correction lenses provide adjustment ranges of -5 to -2 diopter and 0 to +3 diopter);
built-in eye-piece shutter
Focusing screen
: Interchangeable, Matte (standard), Checker, and Microprism Type C for Non-AF M645 lenses
Field of view
: 94%* of actual image
Viewfinder information
: Focus mark, defocus mark, warning mark, aperture value, shutter speed, metering mode (A, S,
A/S), exposure compensation value (difference between set value and metered value) and flash
ready / OK lamp with TTL Metz connection
Auto focus method
: TTL phase difference detection method; sensor: CCD line sensor (I+I type);
operating range: EV0 to EV18 (ISO 100)
Focus area
: Displays the focus area in the viewfinder screen
AF assist beam
: Activates automatically under low light, low contrast.
Range: 9m (when using AF80mm f/2.8 D lens)
AF lock
: By pressing the shutter release button halfway down in the AF-S mode, or by pressing the
AFL button.
Exposure modes
: Aperture Priority AE, Shutter Priority AE, programmed AE (PH, PL setting possible), and manual
AE metering mode
: TTL metering, center-weighted average (AV), spot (S), and variable ratio (A-S auto)
Increments of shutter
: Both the shutter speed and the aperture level can be set to 1/3 or
speed and aperture
1/2 using the electronic dial lock function
Metering range
: EV 2 to EV 19 (with ISO100 and AF80mm f/2.8 D lens)
Exposure compensation : Expandable to ±5 EV
AE lock
: With AEL button; canceled by pressing the button again. When AEL button is pressed, exposure
compensation and metering difference is displayed in the viewfinder.
(+-6EV, 1/3 steps in M mode).
Shutter
: Electronically controlled vertical metal focal-plane shutter. (vertical travel)
Shutter speed
: AE 30 to 1/4000 sec. (1/8 step), manual 30 to 1/4000 sec. (1/2 or 1/3 steps), 1 min-60 sec.
(1 step), X, bulb (Bulb, electronically controlled), tIME, shutter curtain protection mechanism
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