Symmetrical Lens
- Made:
- circa 1880
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Science Museum Group
© The Board of Trustees of the Science Museum
A symmetrical lens in a brass mount 4½ inch f.l. without an iris diaphragm. The lens was originally designed for a rack and pinion focusing device, but the outer brass cover is missing.
Details
- Category:
- Photographic Technology
- Object Number:
- 1979-559/1364
- Materials:
- glass and brass (copper, zinc alloy)
- Measurements:
-
overall: 95 mm 77 mm,
- type:
- lens
