| Dimensions (W x H x D) | Grooves/mm | Dispersio@ 250m |
| 12.7 mm x 12.7 mm x 6.0 mm | 1200
1.27 mrad/nm
(0.79m/mrad)
| 25.0 mm x 25.0 mm x 6.0 mm |
| 50.0 mm x 50.0 mm x 9.5 mm |
| 12.7 mm x 12.7 mm x 6.0 mm | 1800
2.00 mrad/nm
(0.50m/mrad)
| 25.0 mm x 25.0 mm x 6.0 mm |
| 50.0 mm x 50.0 mm x 9.5 mm |
| 12.7 mm x 12.7 mm x 6.0 mm | 2400
3.03 mrad/nm
(0.33m/mrad)
| 25.0 mm x 25.0 mm x 6.0 mm |
| 50.0 mm x 50.0 mm x 9.5 mm |
