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Sciencent 6 Piece Premium Optical Glass Lens Set, 50mm Diameter - 3 Double Convex (20, 30, 50cm FL) and 3 Double Concave (20, 30, 50cm FL)
$ 9.99
$ 9.69
DESCRIPTION
This lens set is perfect for doing optical experiments comparing focal lengths and convex vs. concave lenses.
- 3 Double Convex, 3 Double Concave - 20cm, 30cm, 50cm Focal Lengths
- 50mm diameter glass lenses
- Ground, beveled edges
- Optically true glass
