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> Double concave glass lens optical experiment 1.5"X2"fl
Double concave glass lens optical experiment 1.5"X2"fl
DOUBLE CONCAVE GLASS OPTICAL LENS
Classroom demonstrations of the effects of concave lenses
1 1/2 inch diameter X 2 inch focal length
optical glass with outstanding optical qualities.
Lens comes in a labeled coated envelope
If you have any questions please contact me at;
DOUBLE CONCAVE GLASS LENS EXPERIMENT
