EISCO Optical Glass Lens Set - 3 Dbl Convex, 3 Dbl Concave, 38mm Dia - 20, 30, 50cm FL
EISCO Optical Glass Lens Set - 3 Dbl Convex, 3 Dbl Concave, 38mm Dia - 20, 30, 50cm FL
$14.99
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38mm diameter glass lenses 3 Double Convex, 3 Double Concave - 20cm, 30cm, 50cm Focal Lengths Optically true glass Ground, beveled edges