Optikotechnà Pferov Belar 105/4.5 [V2]
Silver enlarger lens with black nose made prior to 1945 by (what would become) Meopta. Late six-digit serial [V2]. M30.5 mount version has max aperture of f18. Single-coated.
| Weight | 66 g |
|---|---|
| Dimensions | 105 mm |
| Focal Length (mm) | 105 |
| Max Aperture (f) | 4.5 |
| Min Aperture (f) | 22 |
| Aperture Type | Circular |
| Elements | 3 |
| Sharp (Near) | 82.3% |
| Sharp (Far) | 79.3% |
| Rear Mount | 30.5×0.75mm |
| Extension (mm) | 81.5 |
| Flange-Focal Distance (mm) | 101.5 |
| Serial Numbers | 034415, 039912 |
| Production | c1935-1945 |
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