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13MM SQUARE CORION INSTRUMENT LASER FILTER/MIRROR
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Item No: L3569
Price: $14.00
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| 4mm thick. These were made by Corion Instrument Corp of Waltham, Mass.. At first glance this appears to be a second surface mirror, but the back of the assembly is actually a very dark neutral density filter. Clearly a precision piece. These are labeled as p#21762-04 and w/l-3247. Unused |
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