Pentax K2 DMD1977

History

The K2 launched in 1975 as the top model of Pentax's first K-mount family. The standard K2 lacked any provision for motorized winding. Pentax introduced the K2 DMD in 1977 - two years into the K-mount era - with a modified baseplate that accepted the dedicated drive unit, making it the first Pentax SLR capable of motorized film transport.

The timing was significant. By 1977, Canon's F-1 with motor drive and the Nikon F2 with MD-2 motor were established professional standards. The K2 DMD gave Pentax dealers a motor-capable response at a significantly lower price point. Production ended around 1979 as the compact M-series (MX, ME, ME Super) took over the K-mount lineup and Pentax's engineering focus shifted to smaller bodies.

The DMD is less common than the standard K2 in used markets today; the winder coupling plate made it a modest production-run variant rather than a mass-market body.

Why It Matters

The K2 DMD is a footnote in the history of motor-drive SLRs but a significant one for Pentax's product history. It established that K-mount bodies could accept power winders, a feature that carried through to the MX-compatible winder and the ME Super's motor drive support. For collectors, it is the rare and historically notable variant of an already well-regarded body.

The underlying K2 hardware is strong: the 1/4000s vertical metal shutter was faster than the Nikon F2's 1/2000s and most Canon FD bodies of the era. Aperture-priority AE with a clean SPC meter made it competent for available-light work. The DMD adds the winder capability without changing any of those fundamentals.

Lenses & Accessories

Pentax K mount. All SMC Pentax-K lenses from the 1975-1980 era couple fully. Later KA (aperture ring with "A" position) lenses mount and meter in aperture-priority. KAF autofocus lenses mount but autofocus does not function (manual focus only).

Signature K-mount glass pairings:

• SMC Pentax-K 50/1.4 - the natural standard lens
• SMC Pentax-K 50/1.2 - fast low-light option
• SMC Pentax-K 85/1.8 - short telephoto portrait lens
• SMC Pentax-K 135/2.5 - telephoto with excellent rendering

The DMD-specific accessory is the dedicated motor drive / auto winder unit. The winder couples to the baseplate port for automatic single-frame or continuous film advance. Standard K2 accessories (motor drive excepted) are compatible: the Pentax winder that fits the K2 DMD does not fit the standard K2 without modification.

Sample Photographers / Notable Use

• Used by working photographers in Japan and Europe through the late 1970s as an affordable motorized alternative to Nikon and Canon motor-drive systems.
• The K2 DMD winder system was adopted by photojournalists covering Japanese domestic news assignments where Nikon system costs were prohibitive.

References

• Camera-Wiki: Pentax K2 - covers K2 and DMD variant
• Pentax Forums: Pentax K2 DMD - user notes and winder documentation