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EDUCATIONAL DCV 38MM X -150MM
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Item No: L1953D
Price: $1.25
or 10 for $9.00
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| Part of our educational optics series. Double concave, spherical glass lens, with a focal length of approx. -150mm. Made of glass with polished face and ground edges. Refractive index is approx. 1.52. Unused and individually boxed. Perfect for educational projects, but focal length is not in close tolerance from lens to lens, so not good for use in a product you are going to manufacture where the focal length needs to be exactly the same. |
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