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4" SQUARE OPTICAL GLASS BLANK
(select
photo for larger views) |
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Item No: M2070P
Price: $5.00
or 10 for $40.00
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| Fine ground on both sides. We are told that these are made of BSC2 optical glass with an index of refraction of 1.517 and an abbe v # of 64.5. 4 inches square by 3/8" thick. |
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