Pentax Announces 645D Medium-Format Camera with CMOS Sensor: Coming Next Week

More news on the medium-format camera front. The Ricoh Imaging Company, the parent company of Pentax, announced today that it will unveil a new Pentax digital medium-format camera that uses a CMOS image sensor next week. Our sister site, Rangefinder, reported the news today.

Ricoh is the third manufacturer to announce it will produce a medium-format camera system that uses a CMOS sensor. Phase One unveiled the IQ250 digital back, which uses a 50-megapixel CMOS sensor produced by Sony, last month. PDN did an exclusive hands-on test with that camera system and were impressed with the results. Hasselblad said it will launch the H5D-50c, which will also feature a 50MP CMOS sensor, in March 2014.

The use of a CMOS sensor, rather than a CCD sensor, addresses the problem of excessive noise in images shot in low light. Our test of the Phase One IQ250 proved that a medium-format system with a CMOS sensor can capture high ISO images that look as clean and crisp as those from some full-frame DSLRs.

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