Frosted Glass Plano-Concave Lens 4″

This item is a used Plano-Concave Lens with bottom surface and edges frosted. The lens is in good condition with a couple of tape marks on the frosted bottom surface. The clear surface also needs cleaning but has no visible scratches or chips.
Specifications:
– Diameter: 4″
– Thickness: 0.5″
– F = 40.187
***MPN
***OEM Custom
***SKU*** 31770