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POSITIVE MINISCUS, 2" X 4.2" FL
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Item No: L1750
Price: $4.50
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| Coated front and back with magnesium floride. 2.03" diameter by 4.18" focal length. Index of Refraction: 1.62. Abbe Constant: 60.300. Made to be used in a military laser receiver/transmitter unit. Unused. |
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