Carl Zeiss Jena Biotar 50mm f/1.4 (Pentaflex AK16)
| Company | Carl Zeiss Jena |
| Country | East Germany |
| Decade | 1950s |
| Type | 16mm cine |
| Focal length | 50mm |
| Aperture | f/1.4 |
| Mount | AK16 |
| Optics |  |
| Company | Carl Zeiss Jena |
| Country | East Germany |
| Decade | 1950s |
| Type | 16mm cine |
| Focal length | 50mm |
| Aperture | f/1.4 |
| Mount | AK16 |
| Optics | |
