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Mamiya 645DF

5.0/5 rating (1 votes)

A New Level of Open-Platform Performance

Mamiya 645DF Camera
Mamiya introduces the next level of camera performance for digital medium format photographers – the Mamiya 645DF camera. With autofocus speeds up to 30% faster than previous models, plus a new companion series of leaf shutter lenses, the Mamiya 645DF offers substantial performance upgrades for owners of virtually any brand of digital back, including Leaf®, Mamiya®, Phase One®, and Sinar®.

Combining 35mm handling ease and speed but with an available image capture area almost three times larger, the Mamiya 645DF is a full-featured camera, utilizing digital controls and LCD displays, and featuring 19 custom settings for fully personalized digital photography.

The new 645DF system delivers exciting advances in core-camera technology, including an innovative new selectable dual shutter system. The photographer can now select the best shutter for the conditions – either the integral focal plane shutter, which can be used with any of the 15 existing Mamiya 645AF system lenses, or one of three new lenses containing an integral leaf shutter for flash sync speeds of up to 1/1600 second.

Mamiya 645DF Specification

Mamiya 645DF
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 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
Auto Focus Method TTL phase difference detection method; sensor: CC D 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.
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
Metering Range EV 2 to EV 19 (with ISO100 and AF80mm f/2.8 D lens)
Exposure Compensation Expandable to ±5 EV
AE Lock 6x7cm
Shutter Touchscreen
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
Auto Bracket Shot Enable with auto bracket button (3 frame shots, 5 frame or 7 frame shot with auto bracketing). Specify 1/3, 1/2, 2/3 or
1EV steps.
Flash Synchronization X contact point, 1/125 second (focal plane), 1/800 or 1/1600 second (leaf shutter)
Flash Control TTL direct flash control, supports Metz SCA3002 system (SCA3952 Adapter)
Cable Release Socket On shutter button
Remote Control Terminal On side of body; electromagnetic cable release RE401 and RS402 can be purchased separately.
Depth-of-Field Confirmation Preview Button on body
Custom Settings 19 items
Power Requirements 6 AA-size batteries (alkaline-magnesium, lithium, nickel-hydride or nickel-cadmium rechargeable batteries).
External Power Socket An external battery case can be connected.
Size & Weight 6 ”(W)X5 ”(H)X6 ”(D) / 153(W)X128(H)X152(D)mm : 2.3 pounds / 1,030 g (body only)


Lenses Specification

Mamiya lenses are designed and built for today’s foremost photographers who expect their equipment to provide both outstanding and distinctive results. Engineers at Mamiya have developed rigorous performance criteria for each lens design. No detail is overlooked. No test is omitted.

The goal is technical perfection...The result is a series of lenses which have set the new world-standard of performance. Each lens element is precisely polished and coated using Mamiya’s proprietary multi-coating process to increase light transmission, dramatically reduce flare, ensure crisp, clean whites and vibrant, yet natural colors.

Mamiya engineers and inspectors test continuously as the lens is assembled to insure flawless quality. The result is a lens designed so carefully, built so meticulously, that it consistently renders extraordinary performance.

It is Mamiya’s unique balance of extreme sharpness, brilliant contrast, accurate and consistent color fidelity and overall high performance that captures the imagination of contemporary photographers who choose Mamiya to express their personal visions. Among today’s community of world famous photographers, Mamiya lenses have established themselves as the new benchmark by which others are measured.

While all Mamiya lenses can be used on today’s high performance digital backs, the new Mamiya Sekor D series of lenses raise sharpness to a new level. Utilizing exotic Low Dispersion glass and Aspherical lens elements, the Sekor D Digital Lens series produces ultrawide coverage (28mm f4.5), exceptional color accuracy and sharp, contrasty images. And all Mamiya Digital lenses are designed to work with film backs, not only digital backs!




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