brass mounted landscape lens
- Made:
- circa 1860 in London
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brass mounted landscape lens, focal length 5 inch. The stop is placed one inch in front of the lens and has a diameter of only 1/2 inch giving an aperture of about F.10. Ross c.1860
Details
- Category:
- Photographic Technology
- Collection:
- Arthur Frank Collection
- Object Number:
- 1979-559/1166
- Materials:
- brass (copper, zinc alloy) and glass
- Measurements:
-
overall: 38 mm 63 mm,
- type:
- lens
- credit:
- The Arthur Frank Collection
