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PRECISION 20MM DIAMETER, 31MM FL BI-CONVEX LENS
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Item No: PL1097
Price: $5.00
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| Manufacturer's part #01 LDX 059. Original price: $24.00. Made of BK7 glass with an index of 1.5187, design wavelength is 546.1nm, clear aperture of 45.0mm, center thickness is 4mm, edge thickness is 2mm. Centration is 3 arc minutes. Edges are ground and beveled and surface quality is 60-40 scratch and dig. Unused. |
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