- 1500 Grit Ground Glass on Both Sides
- Drilled Centering Hole
- Great for Viewing Beams Exiting a Lens Tube
This frosted glass alignment disk is made from 1500 grit Ground Glass Diffusers. The DG10-1500-H1 is Ø1" (Ø25.4 mm), and features a Ø1 mm (Ø0.04") hole drilled in the center for alignment purposes. The disk is ideal for use when viewing a beam exiting a lens tube as the beam can be seen through the ground glass.