A double anastigmat type 'B' serie No.5 lens. F.6.3, 270mm f.l. with a ring type iris diaphragm.
Details
- Category:
- Photographic Technology
- Collection:
- Arthur Frank Collection
- Object Number:
- 1979-559/1398
- Materials:
- glass
- Measurements:
-
overall: 73 mm x 73 mm x 68 mm,
- type:
- lens
- credit:
- The Arthur Frank Collection