|List of known Pentax prototypes
on thumbnails on left to enlarge images
||"Nexa" still video camera
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.
||"EI-C?" still video camera
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.
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.
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.
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.
digital compact camera (2001)
Compact digicam shown at PMA2001. 3Mpixel resolution
and 3x zoom lens. Once in production, it was called the Optio 330.
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
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
digital SLR (2006)
Prototype of the K10D 10-megapixel DSLR, on show
at several international photo shows in early 2006.
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.