Brass Mounted Symmetrical Lens
- Made:
- circa 1880
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©The Board of Trustees of the Science Museum
Symmetrical lens in a brass mount with a 4.5 inch f.l. without an iris diaphragm. It has rack and pinion focusing. The lens is protected by a brass disk. c. 1880.
Details
- Category:
- Photographic Technology
- Collection:
- Arthur Frank Collection
- Object Number:
- 1979-559/1363
- Materials:
- glass and brass (copper, zinc alloy)
- Measurements:
-
overall: 61 mm x 78 mm x 95 mm,
- type:
- symmetrical lens
- credit:
- The Arthur Frank Collection
