| Dimensions | 45 mm |
|---|---|
| Focal Length (mm) | |
| Elements | |
| Max Aperture (f) | |
| Aperture Blades | |
| Serial Numbers |

Carl Zeiss Jena R-Biotar 45/0.85
Biotar X-ray lens for use on the RK70 Röntgenkamera 70 (AKA ‘Jena 70’) for fluorescent screen photographs.

Biotar X-ray lens for use on the RK70 Röntgenkamera 70 (AKA ‘Jena 70’) for fluorescent screen photographs.
| Dimensions | 45 mm |
|---|---|
| Focal Length (mm) | |
| Elements | |
| Max Aperture (f) | |
| Aperture Blades | |
| Serial Numbers |
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