Pentacon's fast fifty for Praktica B — the 50mm f/1.8 standard prime.
The Pentacon 50mm f/1.8 for Praktica Bayonet is a fast standard prime from East German Pentacon for the Praktica B-mount system. At f/1.8, it provides the standard fast-fifty experience. Pentacon quality is decent — functional East German optics. The Praktica B mount limits compatibility. A basic fast fifty for the Praktica B system.
Pentacon quality provides respectable sharpness. The f/1.8 gives useful speed for the system's standard lens. Pleasant vintage rendering. Build quality is solid East German metal. The Praktica B mount is the sole limitation — the lens provides a functional fast-fifty in a very limited mount. CZJ Praktica B alternatives may be optically superior.
Praktica Bayonet mount — very limited. Filter thread varies. Weight varies. Build quality solid. Manual focus. The fast f/1.8 is standard for the system's primary lens. Some adaptation to mirrorless may be possible with rare adapters. The Praktica B mount limits all practical utility.
Very cheap. A functional fast fifty trapped in the limited Praktica B mount. Not recommended outside the Praktica B system. The f/1.8 provides a standard fast-fifty experience. Only for Praktica B camera owners. Adapters to mirrorless exist but are rare.