Federal Octar Anastigmat 90/4.5
American lens marked 3.5″, fitted to Store-Away Senior 311 enlarger.
| Dimensions | 90 mm |
|---|---|
| Focal Length (mm) | 135 |
| Max Aperture (f) | 4.5 |
| Production | c.1962 |
American lens marked 3.5″, fitted to Store-Away Senior 311 enlarger.
| Dimensions | 90 mm |
|---|---|
| Focal Length (mm) | 135 |
| Max Aperture (f) | 4.5 |
| Production | c.1962 |
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