<p>Spherical Lenses: Double Convex</p><p>With optically worked faces and ground edges, for educational purposes.</p><ul><li>Diameter: 50mm</li><li>Foc

Spherical Lenses: Double Convex

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

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Optically worked faces

Ground edges

Refractive index: 1.52.

Focal Length: 50mm

Diameter: 50mm

Power: +20D

Sold in packs of 5

Dimensions: +20D

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