KW Praktica BCS1985

History

The Praktica M42 era ran from the early 1950s through to the late 1970s, producing numerous models across the FX, L, VLC, TL, MTL, and related designations. By the mid-1970s, VEB Pentacon recognised that the M42 screw thread was becoming an obstacle: it was slow to change lenses, could not easily transmit aperture or metering data electronically, and was being abandoned by Japanese competitors in favour of proprietary bayonets.

The Praktica B mount was introduced around 1979 with the B200 body. It is a bayonet with electronic contacts that allow communication between body and lens -- specifically, it was designed to permit aperture-priority automatic exposure using the aperture value set on the lens. The B series expanded through the early 1980s with a range of bodies targeting different price points: the B100 (basic, manual), BC1 and BC2 (mid-range with automation), and BX10/BX20 (upper tier with broader automation modes).

The BCS was introduced into this lineup in approximately 1985 as a revised or supplementary mid-tier variant. It carried forward the aperture-priority plus manual exposure scheme of the BC series without adding program autoexposure, which was reserved for the BX-series bodies.

Production of the B series continued until the late 1980s, with the GDR's collapse in 1989-1990 ending VEB Pentacon as a state enterprise. Brief attempts to continue Praktica production under reunified German ownership followed but did not restore commercial momentum.

Why It Matters

The Praktica BCS and the B series more broadly represent the final serious attempt by the Dresden camera industry to compete as a mainstream SLR manufacturer. The Praktica B mount was a technically reasonable response to the bayonet transition happening across the industry in the late 1970s, and B-series lenses -- particularly the 50/1.8 Pentacon standard lens -- are regarded as optically competent.

The camera is also historically significant as a product of the GDR's planned economy in its final decade: export earnings from the Praktica line were important to VEB Pentacon and, by extension, to the state, and the pressure to produce internationally competitive cameras within the constraints of East German manufacturing is visible in the design decisions made in this period.

For collectors and users today, the BCS is primarily of interest as an affordable entry into the Praktica B lens ecosystem and as a functioning example of late-GDR precision manufacturing. It is not widely collected for its own sake but serves as a practical body for those already holding B-mount glass.

Lenses & Accessories

The Praktica B mount is not compatible with M42 lenses without an adapter (which would disable the electronic aperture coupling). Native B-mount lenses produced by VEB Pentacon and associated manufacturers include:

• Pentacon 50/1.8 MC - the standard kit lens of the B series; optically competent and the most commonly encountered B-mount lens
• Pentacon 50/1.4 MC - faster standard option
• Pentacon 29/2.8 MC - wide-angle
• Pentacon 135/2.8 MC - moderate telephoto
• Carl Zeiss Jena Tessar 50/2.8 MC - also produced in B mount for this series

Third-party B-mount lenses were produced in limited quantities. M42 adapters exist but reduce the BCS to stop-down metering only.

A dedicated Praktica B motor drive or winder was available for some B-series bodies; compatibility with the BCS specifically should be verified before purchase.

Sample Photographers / Notable Use

• Used by amateur photographers in East Germany and Warsaw Pact countries in the mid-to-late 1980s as a domestically produced mid-tier SLR.
• Exported to Western Europe through VEB Pentacon's distribution network; most common in German-speaking markets, Scandinavia, and the UK.
• Represents the tail end of the GDR precision-optics industry's consumer output; collected today primarily for its historical context rather than its practical capabilities.

References

• Camera-Wiki: Praktica B series - covers the full B-mount Praktica family including body variants, lens ecosystem, and production history up to the GDR's dissolution