Symmetrical lens
- Made:
- circa 1880 in Paris
- maker:
- Lerebours et Secretan
Symmetrical lens 7.5 inch f.l in a brass mount. No iris diaphragm. Rack and pinion focusing mount. Lerebours Secretan c.1880.
Details
- Category:
- Photographic Technology
- Collection:
- Arthur Frank Collection
- Object Number:
- 1979-559/1359
- Materials:
- glass and brass (copper, zinc alloy)
- Measurements:
-
overall: 128 mm 69 mm,
- type:
- symmetrical lens
- credit:
- The Arthur Frank Collection
