Lens Washer, 2.0 in. Diameter, 0.5 mm Thick, Delrin, 10 Pack

The LT20-SP05-PK is a set of 10 black acetal rings sized to fit into LT20 and LH-2A 2-in. lens mounts. These washers are 0.5 mm thick and have a thin-wall design to maintain a 90% clear aperture. The Acetal material is a low-friction, high-strength engineering plastic ideally suited as a protective washer and spacer for use with LT20-SP series aluminum lens spacers.