Whte finish metal box, mounted on a steel rod with 12V 100W halogen lamp
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Six lenses with ground & polished faces & ground edges. Comprises one each of: double convex, plano convex, converging concave-convex, diverging concave-convex, double concave, & plano concave. Supplied in a velvet lined box.
Optically worked, ground edges
Made of optically flat plates cemented together. Dimensions 50 x 50 x 50 mm
Ground & polished faces, edges ground. Size 50 mm high & 45 mm wide.
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