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The Mamiya Leaf Aptus-II 80 Digital Back is compatible with the Contax 645AF. This digital back provides an outstanding 80Mp of resolution from a 54 x 40mm CCD image sensor with 10,320 x 7,752 pixels. Perhaps more impressive, however, is the collaboration that brought this back to fruition. Mamiya, Leaf, Phase One and Schneider all came together to create one of the world's most sensitive and formidable imaging devices. The monster sensor, with its 16 bit color palette sends garden-variety DSLRs running scared, with image quality that's beyond phenomenal.
The Leaf Aptus-II 80 features the Leaf MOS file format, compatible with Phase One Capture One, Leaf Capture, Adobe Lightroom and Adobe Photoshop / Adobe Camera RAW. The MOS file sizes are 165MB for RAW uncompressed and 107MB for RAW compressed. The back also provides an ISO sensitivity of 50-800, a 12 f/stop dynamic range and 1/10,000 - 32 second exposure time.
A 3.5" touch screen LCD provides state-of-the-art navigation and composition, if you so choose, along with a preview of up to 20 images and 1:1 zoom. Tools, such as the histogram, exposure alarms, average exposure meter and the spot meter are also displayed on the screen. Various image settings, multiple language support, CF card and high volume portable FireWire disk storage and FireWire 800 connectivity round out the in-camera feature set on this 80Mp power house.
When it comes to software, the back works with the multiple aforementioned choices. Phase One Capture One and Leaf Capture come included with the Leaf Aptus-II 80, both ready for professional tethered use and RAW file post-processing. Phase One Capture One 6 is a RAW converter and image editing software that both streamlines workflow during and after shooting. Leaf Capture is user-friendly with an upgraded GUI for the Leaf Aptus-II series. It's also the fastest tethered application for commercial shooting. Along with the new GUI this software includes Lens Calibration files. The software can also be used with the new Leaf Remote Capture app for the iPhone and iPod touch.