Grating Specifications:
- Size: 65 X 50 mm
- Aperture size: 45 X 30 mm
- Available in 100, 200, 300, and 600 lines per mm
- The grating is protected by two glass plates (65 x 50 mm) and bound together at edges
- Grating area: 45 x 30 mm
- Available individually
- Available as a set of four
