Double Convex Spherical Lenses: +3.3D – Pack of 5

Spherical Lenses: Double Convex

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

• Diameter: 50mm
• Focal Length: 300mm
• Power: +3.3D
• Refractive index: 1.52 approx.
• Material: Float Glass
• Pack of 5