Carl Zeiss Jena Biotar 5cm f/1.4 (Kinamo/Leica)
| Company | Carl Zeiss Jena |
| Country | Germany |
| Year of manufacture | 1929 |
| Type | S35 (cover FF) |
| Mount | Leica screw mount (L39) |
| Focal length | 50mm |
| Aperture | f/1.4 |
| Optics |  |
Notes: This lens was originally made in a batch of around 200 units for the then new Carl Zeiss Jena Kinamo N.25 35mm film camera. It was later converted to be used on, most likely, a Leica II camera.
