Mamiya Leaf Credo 40MP Digital Back Kit with 645DF DSLR & 80mm f/2.8 LS D Lens
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Mamiya Leaf Credo 40MP Digital Back Kit with 645DF Medium Format DSLR and 80mm f/2.8 LS D Lens

SKU: MYLC40K

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Questions & Answers

JESUS JOSE G : When it comes to focal length equivalents, how much does it change depending on which digital back you use? Since all 3 have different-sized sensors (although the 60 and 80 are not that different) how much would the focal length be on these lenses: 28mm, 80mm, 110mm and 150mm. If anyone could answer these accurately I'd be grateful.JESUS JOSE G : Just found a Mamiya catalogue showing that focal lengths change depending on the sensor you use. Look up the Mamiya DM System Catalogue and it gives examples And some are quite dramatic the changes especially with a 44x33 sensorJESUS JOSE G : Thank you :-)ANDREW R : The focal length of a given lens does not change no matter the size of the sensor/frame. What will change is the apparent field of view. Using film cameras as an example a 150mm lens on a 35mm camera would be a moderate telephoto, on a medium format camera it would be a short telephoto, and on a 4x5 large format camera it would be "normal" (roughly). It's still a 150mm lens though and the focal length never changed. To figure the "equivalent" you simply multiply the focal length a given length by the crop factor of the sensor. For example a 50mm lens mounted on a camera with a sensor that has a 1.3x crop factor would give you an angle of view equivalent to a 65mm lens (1.3 x 50 = 65).

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About Mamiya 40MP

The Mamiya Leaf Credo 40MP Digital Back Kit with 645DF Medium Format DSLR and 80mm f/2.8 LS D Lens combines the 40MP Leaf Credo digital back with the 645DF camera and 80mm f/2.8 lens to create a fast, high resolution medium format photography system.

The Credo 40MP Digital Back houses a 43.9 x 32.9mm DALSA CCD sensor for exceptionally detailed, color-accurate, low-noise images and is the fastest of the Credo digital backs with a full resolution capture rate of 1.2fps. Its 3.2" touchscreen LCD provides accurate verification of colors, shadow details and focus and the bright 1.15MP screen with 170deg. viewing angle allows for improved viewing in challenging light. Its intuitive graphical user interface (GUI) means more efficient browsing and smart navigation and the touch screen controls extend beyond the LCD to keep the viewing area clean of fingerprints and smudges.

A dual core microprocessor and the latest CF technology provides fast capture and viewing rates and USB 3.0 and FireWire 800 technology offers rapid transfer speeds. Lossless 16-bit file compression accelerates file handling without loss of image quality. An internal battery charger keeps you ready to work un-tethered and the brilliant LCD with Live View allows for clear focus and composition on the go. The Credo back provides Capture One workflow software to seamlessly edit, enhance and present images and, with Capture Pilot, you can immediately preview images with an Apple iPhone or iPad and remotely control your camera. Weather-sealed construction offers peace of mind when shooting in less than optimal conditions.

The 645DF is an open platform, digital-only medium format camera that handles like a 35mm SLR, but with an image area almost 3 times as large (56 x 41.5 mm). It provides aperture-priority AE, shutter-priority AE, programmed AE (PH, PL setting possible) and manual TTL metering, center-weighted average (AV), spot (S) and variable ratio (A-S auto) exposure modes, auto-bracketing and it uses the TTL phase difference detection method for autofocus. When used with one of three Mamiya D lenses, including the Sekor AF 80mm f/2.8 LS D, it allows you to choose between the integral focal plane shutter and the leaf shutter and can achieve flash sync speeds up to 1/1600s.

The Sekor 80mm f/2.8 LS D Lens is a leaf shutter, normal digital lens with a 35mm equivalent focal length of 50mm. It is manufactured by Mamiya specifically for the 645DF camera and with top flash sync speeds of up to 1/1600 second and a maximum aperture of f/2.8 it is effective for bright professional strobe shooting and when shooting in available light.

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Key Features

  • Camera Body: 19 custom settings
  • Lens: 72mm filter size

What's in the box:

  • Mamiya
  • Leaf Credo 40MP Digital Back with Mamiya 645 Mount
  • 645DF SLR Medium Format Autofocus Digital Camera Body
  • Sekor 80mm f/2.8 LS D Lens for 645DF (only) Series Cameras
  • Mamiya Leaf Warranty