Beck Symmetrical Lens.
- Made:
- circa 1910 in Altrincham
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©The Board of Trustees of the Science Museum
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
