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List of known Pentax prototypes (4)

Click on thumbnails on left to enlarge images

nexat.jpg (6974 byte) "Nexa" still video camera (1983)
A study for a still video camera, seen in 1983 photo magazines. B&W photos had to be stored on floppy-disk. No further data available.
prsvc88t.jpg (4802 byte) "EI-C?" still video camera (1988)
Name unknown to me (maybe EI-C50 or EI-C60). Analog still video camera, seen in 1988 photo magazines. B&W photo stored on floppy-disk. Zoom 3x. 10sec. audio recording allowed.
prsvc90t.jpg (4825 byte) "EI-C70" still video camera (1990)
Analog still video camera. Hi-band 2" floppy-disk. 8-24mm f2.8-5.6 zoom lens. Active IR autofocus. Shutter speeds 1/8 to 1000 sec. at 5fps. A special accessory (EI-A70) allowed 10 to 20sec. audio recording.
prsvc96t.jpg (7601 byte) "EI-C90" digital camera (1996)
Color digital still video camera, displayed at PMA1996. 768x480 pixel resolution. The mass-produced version featured small improvements over the prototype and was put on sale in July 1997.
mr52t.jpg (10735 byte) "MR52" digital SLR camera (2000)
Digital SLR camera, displayed at Photokina 2000, jointly developed with Philips Semiconductors. Full frame (24x36mm) 6Mpixel resolution and Pentax bayonet mount. It was abandoned in October 2001.
"KB305" digital compact camera (2001)
Compact digicam shown at PMA2001. 3Mpixel resolution and 3x zoom lens. Once in production, it was called the Optio 330.
"EI-3000" digital SLR camera (2001)
Digital SLR camera, displayed at PMA2001. 3Mpixel resolution and 3x zoom lens. Jointly developed with Hewlett-Packard, it was intended as an improvement over the EI-2000. The mass-produced version never saw light.
"KB321" digital SLR  (2003)
Prototype of the *istD 6-megapixel DSLR, on show at several international photo shows in early 2003. This is just a mockup, but prototypes at different stages of development were seen during that year.
"KB421" digital SLR  (2006)
Prototype of the K10D 10-megapixel DSLR, on show at several international photo shows in early 2006.
"AP 50th Anniv." digital SLR camera (2007)
Digital SLR camera based on K10D, meant for celebrating 50 years since the original AP in 1957. This camera is on display at Pentax Forum in Japan.

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Page updated 9th Dec. 2008