Diaphragm with 3 ruled gratings. Photographic diffraction diffraction objects in a slide frame.
- Dimensions: 50x50 mm²
- Line count (cm-1): 20; 40; 80
- Lattice constant (mm): 0.50; 0.25; 0.125
| Weight | 0.007 kg |
| Brand | 3B Scientific |
