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PRECISION BI-CONCAVE LENS 42MM DIA, -500MM FL
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photo for larger views) |
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Item No: PL1049
Price: $5.00
or 10 for $40.00
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| Manufacturer's part #01 LDK 041. Original price: $35.00. Made of BK7 glass, design index is 1.5187, design wavelength is 546.1nm, center thickness is 2mm, edge thickness is 2.8mm. Surface quality is 60-40 scratch and dig, centration is 3 arc minutes, and edges are ground and beveled. Unused. |
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