![](https://coimages.sciencemuseumgroup.org.uk/519/997/large_thumbnail_1990_5036_5040__0001_.jpg)
A Symmetrical Lens.
- Made:
- circa 1900
A symmetrical lens, F.8, 9 inch f.l. with a ring iris diaphragm.
Details
- Category:
- Photographic Technology
- Collection:
- Arthur Frank Collection
- Object Number:
- 1979-559/1416
- Materials:
- glass
- Measurements:
-
overall: 52 mm x 52 mm x 55 mm,
- type:
- lens
- credit:
- The Arthur Frank Collection