6 Piece Premium Optical Glass Lens Set, 50mm Diameter – 3 Double Convex (20, 30, 50cm FL) and 3 Double Concave (20, 30, 50cm FL)



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£16.99



Optical Glass Lens Set, 6 Lenses – 3 Double Convex, 3 Double Concave – 50mm Diameter – 20, 30, 50cm Focal Lengths

(3) Double Concave -20,30,50cm Focal Length, (3) Double Convex – 20,30,50cm Focal Length

This lens set is perfect for doing optical experiments comparing focal lengths and convex vs. concave lenses.
50mm diameter glass lenses
3 Double Convex, 3 Double Concave – 20cm, 30cm, 50cm Focal Lengths
Optically true glass
Ground, beveled edges

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