Double Concave Spherical Lenses: -20D - Pack of 5
Product code: B8L27236
In stock
£7.39 exc. VAT
£8.87 inc. VAT
Product code: B8L27236
In stock
£7.39 exc. VAT
£8.87 inc. VAT
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Spherical Lenses: Double Concave
With optically worked faces and ground edges, for educational purposes.
- Diameter: 50mm
- Focal length: 50mm
- Power: -20D
- Refractive Index: 1.52 approx.
- Material: Float Glass
- Pack of 5
