Lens Cylindrical Double Concave
Ground & polished faces, edges ground. Size 50 mm high & 45 mm wide.
Type | A | B | C |
Focal Length | 70 mm | 150 mm | 200 mm |
Ground & polished faces, edges ground. Size 50 mm high & 45 mm wide.
Type | A | B | C |
Focal Length | 70 mm | 150 mm | 200 mm |
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