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Mamiya Debuts New Open Platform Digital Camera
Elmsford, NY – October 23, 2009 – Mamiya, synonymous with professional medium format photography for 50 years, announces an entirely new medium format camera body, the Mamiya 645DF. The 645DF delivers exciting advances in core-camera technology, including an innovative new selectable dual shutter system with available flash sync speeds of up to 1/1600 of a second. Designed specifically for use with digital camera backs in the Mamiya 645AF mount, the 645DF is a true open platform camera system, compatible with digital backs from Leaf, Mamiya, Phase One, and Sinar.
The photographer can now select the best shutter for the conditions — either the integral focal plane shutter, which can be used with any of 15 existing Mamiya 645AF system lenses, or the photographer can choose to use one of three new lenses containing an in-lens leaf shutter for high-speed flash sync.
Combining 35mm handling ease and speed with an available image capture area nearly 3 times larger, the Mamiya 645DF is a full-featured camera utilizing comprehensive digital controls and LCD displays, and featuring 19 custom settings for creative, personalized digital photography.
In addition, Mamiya announces three new leaf shutter digital lenses, designed for use with the new 645DF camera: the Sekor 80mm f/2.8 LS D, the Sekor 55mm f/2.8 LS D, and the Sekor 110mm f/2.8 LS D. Designed by Schneider-Kreuznach, and manufactured by Mamiya, these new lenses are designed for the stringent demands of the latest high-resolution digital backs. With top flash sync speeds of up to 1/1600 second, these new lenses allow for effective use of professional strobe equipment in even the brightest of conditions.
The Suggested Retail Prices for the 645DF Camera (body only) is $5,990; Sekor 80mm f/2.8 LS D lens $2,490; the Sekor 55mm f/2.8 LS D lens $3,490; and the Sekor 110mm f/2.8 LS D lens $3,990.
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 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: 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
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 |
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) |
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