Steinheil Optronic 65/2.8
Industrial lens fitted to Oscillophot M-Series (M3, M4 and M20) with Polaroid back. Marked BN194900. Focal length estimated. Optimised for 1:4.15 magnification.
| Dimensions | 65 mm |
|---|---|
| Focal Length (mm) | 65 |
| Max Aperture (f) | 2.8 |
| Aperture Type | Curved 5 |
| Min Aperture (f) | 16 |
| Production | Post 1987 |
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