BI-CONVEX LENS, DIA. 50MM F: 10CM OR F: 15CM

Spherical Lenses: Double Convex

With optically worked faces and ground edges, for educational purposes.

Diameter: 50mm
Focal Length: 150mm or 100mm
Power: +6.6D or +10D
Refractive Index: 1.52 approx.
Material: Float Glass

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