• Accepts interchangeable 120/220 film magazines, Polaroid proofing backs and digital backs
• Auto focus system that's faster and quieter than ever - even under the lowest lighting situations
• Latest MSCE (Mamiya Serial Communication for External) data transfer technology
• User-friendly
• Greater connectivity
• Auto focus clutch for certain Mamiya lenses
• Full Program, Aperture priority, Shutter Speed priority, full manual, "X" mode and "B" (Bulb) exposure modes
• TTL flash compatible
• Retractable shutter to prevent damage - remove film magazine and shutter disappears into the housing
• Great balance and "feel" to the camera
• The first medium-format camera with a magnesium alloy viewfinder cover
• Die-cast aluminum alloy body and film magazine
Camera Type
Autofocus, 6 x 4.5cm, Single-Lens-Reflex camera - Dual platform: Accepts film and compatible digital backs
Film Back/Loading
Interchangeable type; Accepts film insert which switches from 120 to 220 film by rotating pressure plate
External LCD Display on film magazine shows ISO speed, type of film (120/220), exposure number
Dark slide pocket
Also features databus connections to accept digital backs
Film Type
120 roll film (16 exposures) 220 roll film (32 exposures)
Polaroid Land Pack Film as well as Fuji Polaroid (any of the 3 1/4 x 4 1/4" pack film series, i.e Fuji FP100C, Polaroid 669, 664, 679)
Film Speed: ISO 25 to 6400 1

Please Note:

Tripod Adapter N or N2 is required with a Polaroid Back. Adapter N2 has a larger base and contains anti-twist pins for secure camera support.

Lens Mount
Bayonet Mamiya 645 AF Mount; M645 Mount can be used with strict limitations (manual focus confirmation, stopped-down metering)
Also compatible with Hasselblad V series lenses (manual focus confirmation, focus aid, stop-down exposure metering). Requires optional Lens Mount Adapter #310-244 (Black) or #310-245 (Silver)
Shutter
Electronically controlled vertical metal focal-plane shutter 

AE: 30 to 1/4000 sec. (1/8 step)
Manual: 30 to 1/4000 sec. (1/2 step)
X: (locks shutter speed to 1/125th sec. while allowing for full control of aperture values)
"B": (Bulb, electronically controlled)
"T" (Time, mechanically controlled)
Automatic shutter curtain open mechanism (opens when film magazine, Polaroid holder or digital back is removed, automatically closed when re-attached)

Shutter speed and aperture both can be set in 1/3 or 1/2 steps Electronic dial lock (in X, M, Av and Tv exposure modes)

Shutter Release
Utilizes standard screw-in type cable release located on shutter button
Remote-Control Terminal: Located on the left side of the body: Electromagnetic Cable Release RE401 (Mamiya #211755) is 5m and coiled; Electromagnetic Cable Release RE402 (Mamiya #211754) is 1m and is straight.
Self Timer
With shutter release mode selector 2 to 60sec. (default setting: 10sec., can be set in 1sec. steps between 2 and 10sec., and in 10sec steps between 10 and 60sec.)
Flash Synchronization
1/125 sec. or slower, automatically sets to 1/125 when shutter speed dial is set to higher speeds (when Metz flash unit is used). In P mode, the shutter speeds are controlled to 1/125 ~ 1/60 sec.
Supports Metz SCA3002 system (SCA 3952 adapter required), and SCA 3000 and SCA 300 series (300 series requires both SCA 3952 and SCA 3000C converter)
Mirror Lock-Up
Electronically-activated by Mirror-Up switch on grip
Exposure Metering
5-segment evaluative center-weighted average (AV) with bright point elimination Spot (S) Variable Ratio Auto-Shift (A-S AUTO)

Manual (M)
Flash Sync (X)
Aperture priority AE (Av)
Shutter priority AE (Tv)
Programmed AE (P) with program shift: PH and PL settings possible

Metering Range: EV 2 to EV 19 (with ISO 100 film, f/2.8 lens)
Light Metering: TTL metering; center-weighted average (AV), spot (S) and auto A-S variable ration

Exposure Bracketing
Enabled with Auto-Bracketing button (2 or 3 frames selectable) , 0.3, 05, 0.7, 1EV step units selectable
Exposure Compensation
+/-3 EV or +/- 5EV (1/3, 1/2 or 1 steps)
Depth-of-Field Preview
Preview button on front of camera, aperture can be changed during DOF check
Viewfinder
Fixed prism finder magnification 0.71x
Built-in diopter adjustment (-2.5 to +0.5 diopter
Separate diopter correction lenses provide adjustment ranges of -5 to -2 diopter and 0 to +3 diopter)
Built-in eye-piece shield
Interchangeable focusing screens: Matte (Standard), Checker (Grid) and manual focus microprism for M645 lenses
Viewfinder Info
Focus mark
Out-of-focus direction marks
Aperture value
Shutter speed
Metering mode (A, S, A/S AUTO)
Exposure compensation value (difference between set value and actual value)
AE Lock
Bracketing Position
Battery Checker

External LCD - On camera body::
Aperture value
Shutter speed value
AEL
Battery check
Programmed AE
Programmed AE shift value
Data imprinting mode
Flash Compensation Indicator (Over/Under)
Auto-Bracketing indicator
Multiple Exposure indicator
Self-Timer indicator

On Interchangeable Film Magazine:
ISO speed
Type of film (120 or 220)
Exposure number
Buffer for ZD Digital Back v1.1 and newer

Film Transport
Automatic via built-in motor, single or continuous exposures 2 frames per second (with new HM402 Roll Film Magazine)
Multiple Exposure
Enabled with Multiple Exposure Button (2 to 6 exposures or unlimited); can be cancelled. More exposures may be dialed in before exposure set is complete
Focusing System
TTL phase-difference detection type, user-selectable focusing point (center, left, right or auto)
4 CCD line sensors in a | + | shape (area indicated on the focusing screen, 10.8 x 3.6mm)
Infrared AF Sub-Beam :
Activates automatically under low light, low contrast in Single (S) AF Mode
Switchable On/Off
Range: 29.5' with 80mm f/2.8 AF lens
Automatic switching to flash unit's built-in sub-beam when
Metz flash unit is attached with SCA 3952 adapter

AF Lock: Half-press on shutter release and AF Lock Button

Power Source
6 "AA" batteries (alkaline-magnesium or rechargeable Nickel-metal hydride)
Custom Functions
36 custom settings
Data Imprinting
7 segment dot matrix
DATA mode imprints:
Exposure mode
Aperture value
Shutter speed value
Exposure compensation
Bracketing position (normal, over, under)
Metering mode
ID number
Lens Focal Length
DAY mode imprints:
Year
Month
Date
Time
ID number (switchable between enabled and disabled)
Tripod Mount
1/4" and 3/8" included
Dimensions
6 x 5 x 7.2" (153 x 128 x 184mm) (WHD)
Weight
61oz. (1730g), without batteries
Miscellaneous
Remote Control: Terminal On side of body (works with remote triggering devices and electromagnetic cable releases)
Cable Release: On shutter button