Beck Symmetrical Lens.

Beck symmetrical lens F.8 8, 5 inch f.l. with a ring diaphragm. Thornton Pickard, c.1910

Details

Category:
Photographic Technology
Collection:
Arthur Frank Collection
Object Number:
1979-559/1125
Materials:
glass
Measurements:
overall: 48 mm x 48 mm x 52 mm,
type:
symmetrical lens
credit:
The Arthur Frank Collection