Filters, Windows & Reticles
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GROUND GLASS 3-1/2" x 4-3/8" PKG(3)
One wiseacre assumed we meant any package leaving our shipping room that once had a glass object in it. That is a malicious rumor. . . Ground glass is thin plate glass, the surface of which has been physically ground or...Starting at $3.50Starting at $3.50 -
FILTER, 67MM X 70MM X 4.1MM THK/ GELATIN SIGHT
Al Luebbers, our founder, collected glass. Not glass like you'd find on a knick-knack shelf, but optical glass. Lenses, prisms, reticles and filters, for example. Focus on the filters. Many of his filters came out of military...Starting at $1.75Starting at $1.75