R & J. Beck Ltd 7.2 inch Isostigmar f7.7 Lens
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Science Museum Group
©The Board of Trustees of the Science Museum
A R & J. Beck Ltd 7.2 inch Isostigmar f7.7 Lens. Information engraved around lens.
Details
- Category:
- Photographic Technology
- Object Number:
- 1979-559/1561
- Materials:
- glass and metal (unknown)
- Measurements:
-
overall: 38 mm x 57 mm x 47 mm,
- type:
- lens
