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Glass Lenses, Double Concave, w/ground edges
909-21
909-21

Glass Lenses, Double Concave, w/ground edges

Superior quality glass lenses are useful for teaching a variety of optical principles. Double concave lenses have two inwardly curved surfaces, a negative focal length, and are often used to aid in the distribution of light, as well as, image reduction.

909-15 38mmD x 5cmFL

909-8  38mmD x 10cmFL

909-9  38mmD x 15cmFL

909-10 38mmD x 20cmFL

909-16 38mmD x 30cmFL

909-19 38mmD x 50cmFL

909-27 50mmD x 5cmFL

909-21 50mmD x 10cmFL

909-22 50mmD x 15cmFL

909-11 50mmD x 20cmFL

909-12 75mmD x 20cmFL

 

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