Carl Zeiss Jena Biotar 70mm f/1.6
| Company | Carl Zeiss Jena |
| Country | East Germany |
| Decade | 1960s |
| Type | Industry |
| Focal length | 70mm |
| Aperture | f/1.6 |
| Coverage | Covers GFX at infinity |
| Optics |  |
Notes: This lens was used for quality control of manufactured lenses.
| Company | Carl Zeiss Jena |
| Country | East Germany |
| Decade | 1960s |
| Type | Industry |
| Focal length | 70mm |
| Aperture | f/1.6 |
| Coverage | Covers GFX at infinity |
| Optics | |
Notes: This lens was used for quality control of manufactured lenses.
