Aetna Actinar 75/3.5
Japanese-made zebra lens distributed by Aetna Optix (later BKA) originally as a wide angle for the Optika IIa (Rittreck) 6×9 SLR camera. See also Macro Actinar.
| Dimensions | 75 mm |
|---|---|
| Focal Length (mm) | 75 |
| Max Aperture (f) | 3.5 |
| Min Aperture (f) | 16 |
| Elements | 3 |
| Rear Mount | Exakta, M39 |
| Serial Numbers | 17182, 32529 |
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