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COATED ACHROMAT, 31.5MM DIA.
(select
photo for larger views) |
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Item No: L1492
Price: $7.00
or 10 for $56.00
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| Focal length is 51mm. Coated cemented doublet. Made to be part of a military eyepiece assembly. These are lens elements #7 & 8. Unused. |
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