Two prism glass beam splitter (3-reflections) in light-weight aluminium mount for telescope with binocular eyepiece, unsigned, French, 1910-1950.
Details
- Category:
- Optics
- Object Number:
- 1955-333
- Materials:
- glass, steel (metal), aluminium alloy and brass (copper, zinc alloy)
- Measurements:
-
overall: 47 mm x 60 mm x 50 mm, Wt. 0.145kg
- type:
- abbe–koenig prism and component - object
- credit:
- Banfield, Arthur Clive