Pentax 645D

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After many delays, Pentax introduced this medium-format digital SLR in March 2010. It boasts a 40 megapixel CCD sensor manufactured by Kodak[1]. At the time of its introduction, the Pentax 645D was many thousands of dollars cheaper than other 40 Mp medium-format cameras on the market.

The name "645D" signifies that the camera may use lenses designed for the Pentax 645 film cameras. However the D's actual sensor size is 44 x 33 mm leading to a "crop factor" of 1.27x compared to using lenses on their original 56 x 41.5 mm film format. At the time of introduction, only one 645D-specific lens was a available, the Pentax-D FA 645 55mm F2.8, a standard lens whose focal length exactly matches the digital image diagonal.


Notes

  1. "No Lens Left Behind" at the Kodak blog Plugged In.

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