6 ”(W)X5 ”(H)X7.3 ”(D) / 153(W)X128(H)X184(D)mm : 3.8 pounds / 1,730 g (W/O battery) * This information is based on a linear (horizontal/vertical) measurement.

11.7housing specification

Camera Type : 6x4.5cm format, electronically controlled focal-plane shutter, TTL multiple mode AE, AF Single Lens Reflex

Actual Image Size :56x41.5 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 Info :

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.

AF method :

TTL phase difference detection method; sensor: CCD line sensor (I+I type); operating

 

range: EV0 to EV18 (ISO 100)

Focus area :

Display the focus area in the viewfinder screen

AF assist beam :

Activates automatically under low light, low contrast.

Range:

9m, Automatic switching to flash unit’s built-in assist beam if Metz flash unit is attached.

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)

Shutter increments : 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 film, f/2.8 lens)

Exp. comp. :

±3 EV (1/3 step) Expandable to ±5 EV

Film speed :

ISO 25 to 6400

AE lock :

With AEL button; canceled by pressing the button again or shutter release

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), X, B

 

(Bulb, electronically controlled), shutter curtain protection mechanism (open when

 

magazine is removed, automatically closed when magazine is attached)

Auto bracket shot :Enable with auto bracket button (2 frame shots, or 3 frame shot with auto bracketing). Specify 1/3, 1/2, 2/3 or 1EV steps.

Flash Synchro : X contact point, 1/125 seconds (when 1/3 step is selected it can be set between 1/40 and 1/125 seconds).

Flash control : TTL direct flash control, supports Metz SCA3002 system (SCA3952 Adapter)

Multiple Exposure :Enable with multiple exposure button (the number of exposures can be set from 2 to 6). It can be canceled in the middle and the number of exposures can be changed, or you can switch to an arbitrary multiple exposure style.

Mirror up shot : Select by pressing the mirror up button.

LCD displays : Main LCD display: Program mode mark, custom function mode mark, AF area mark, battery level indicator, manual focus mode, superimpose mode, dial lock mark, shutter speed, AE lock mark, aperture value, multiple exposure mode mark, exposure compensation mode mark, flash compensation mark, exposure compensation value, self-timer mark, auto bracket mark, time mark (while setting the clock).

Data Imprinting : 7 segment dot matrix; DATA mode: exposure mode, aperture value, shutter speed value, exposure compensation, metering mode, ID number; DAY mode; year, month, date, time, ID number, ID mode; ID number

Sync terminal :

X contact (sync speed 1/125 sec.)

Cable release :

On shutter button

Remote terminal : On side of body; electromagnetic cable release

Self-Timer :

2 to 60 sec. (standard: 10 sec., can be set in 1 sec. steps between 2 and 10 sec., and in

 

10 sec. steps between 10 and 60 sec.)

Depth-of-field confirmation : Preview Button on body

Custom settings : 35 items + Firmware Information

Tripod Socket : U 1/4 inch and U 3/8 included

Power Requirements : 6 AA-size batteries (alkaline-magnesium, lithium)

External power socket : An external battery case can be connected.

Size & Weight :

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Phase One 645 AF manual Housing specification, Actual Image Size 56x41.5 mm

645 AF specifications

The Phase One 645 AF is a high-end medium format camera system designed for professional photographers seeking exceptional image quality and versatility. With its robust feature set and advanced technologies, it has become a preferred choice for commercial, portrait, and landscape photography.

At the heart of the 645 AF is its large 645-format sensor, which captures images at a remarkably high resolution. This sensor size not only ensures more detail in each shot but also provides superior dynamic range, allowing photographers to reproduce subtle lighting nuances in their work. The high pixel count is complemented by Phase One’s exceptional image processing capabilities, making it an ideal choice for large print production and high-fidelity image requirements.

One of the defining characteristics of the Phase One 645 AF is its modular design. Photographers can easily swap out different components, such as lenses and digital backs. This flexibility allows users to tailor their camera system to specific shooting requirements, whether that means switching to a high-resolution back for studio work or a faster one for dynamic scenes. The system is compatible with a wide range of Phase One lenses, which are known for their sharpness and optical quality.

The camera features a fast and accurate autofocus system, making it suitable for a variety of shooting conditions. With multiple focus points and advanced tracking capabilities, the 645 AF ensures that subjects are captured with precision, even in fast-paced environments. Additionally, the camera supports various shooting modes, including continuous shooting, which is crucial for capturing fleeting moments.

Another impressive technological advancement of the 645 AF is its robust build quality. Designed to withstand the rigors of professional use, the camera employs weather-sealed construction, ensuring reliable performance in challenging conditions. The ergonomic design provides comfortable handling during long shoots, making it a practical choice for professionals.

Moreover, the Phase One 645 AF integrates seamlessly with the company's Capture One software, allowing photographers to process their images efficiently. This software offers extensive editing capabilities, ensuring that images can be fine-tuned to meet artistic standards.

In summary, the Phase One 645 AF stands out in the world of medium format photography. Its impressive resolution, modular design, superior autofocus capabilities, and rugged construction make it a powerful tool for photographers who demand the very best. By combining state-of-the-art technology with a commitment to quality, the Phase One 645 AF continues to be a benchmark in professional photography.