''Rectigraph'' Lens
- Made:
- circa 1887 in Birmingham
- maker:
- J Lancaster and Son
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A brass mounted ''Rectigraph'' lens. Is is a Doublet or Rapid Rectilinear type of lens. The focal length is 9 inch. The lens could be supplied with Waterhouse stops or the Lancaster patent ring type of diaphragm.
Details
- Category:
- Photographic Technology
- Object Number:
- 1979-559/1172
- Materials:
- brass (copper, zinc alloy) and glass
- Measurements:
-
overall: 63 mm 55 mm,
- type:
- lens
- credit:
- The Arthur Frank Collection
