| 43-216 25 x 25 x 9.5 mm Float Glass Holographic Grating; 1200 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 1200 l/mm |
| 55-265 30 x 30 x 9.5 mm Float Glass Holographic Grating; 1800 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 1800 l/mm |
| 48-467 25 x 25 x 9.5 mm Float Glass Holographic Grating; 2400 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 2400 l/mm |
| GH13-36U 12.7 x 12.7 x 6 mm Borofloat33 Reflective Holographic Grating; 3600 Grooves/mm Coated | Optics | Grating | Reflective Grating | Thorlabs | Borofloat33 | Rectangular | 3600 l/mm |
| 37-120 12.5 x 12.5 x 6 mm Float Glass; High Performance Reflection Grating; 300 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 300 l/mm |
| 37-133 25 x 25 x 6 mm Float Glass; High Performance Reflection Grating; 500 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 500 l/mm |
| 37-123 12.5 x 12.5 x 6 mm Float Glass; High Performance Reflection Grating; 600 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 600 l/mm |
| 49-571 12.7 x 12.7 x 6 mm; Float Glass; Near-IR (NIR) Reflective Gold Grating; 600 Grooves/mm Bare Gold | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 600 l/mm |
| 54-850 12.7 x 12.7 x 6 mm; Float Glass; Near-IR (NIR) Reflective Gold Grating; 600 Grooves/mm Bare Gold | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 600 l/mm |
| 54-851 25 x 25 x 9.5 mm; Float Glass; Near-IR (NIR) Reflective Gold Grating; 600 Grooves/mm Bare Gold | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 600 l/mm |
| 43-774 12.7 x 12.7 x 6 mm Float Glass Holographic Grating; 1800 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 1800 l/mm |
| 48-466 30 x 30 x 9.5 mm Float Glass Holographic Grating; 1800 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 1800 l/mm |
| 41-020 12.5 x 25 x 9.5 mm Float Glass; Reflective Ruled Diffraction Grating; 600 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 600 l/mm |
| 41-048 12.5 x 25 x 9.5 mm Float Glass; Reflective Ruled Diffraction Grating; 1200 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 1200 l/mm |
| 43-209 12.5 x 25 x 9.5 mm Float Glass; Reflective Ruled Diffraction Grating; 1200 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 1200 l/mm |
| 64-397 12.7 x 12.7 x 6 mm Float Glass; Square Reflective Ruled Diffraction Grating; 150 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 150 l/mm |
| 43-749 25 x 25 x 9.5 mm Float Glass; Square Reflective Ruled Diffraction Grating; 600 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 600 l/mm |
| 64-405 25 x 25 x 9.5 mm Float Glass; Square Reflective Ruled Diffraction Grating; 1800 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 1800 l/mm |
| 55-259 30 x 30 x 9.5 mm Float Glass; Square Reflective Ruled Diffraction Grating; 600 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 600 l/mm |
| 43-002 50 x 50 x 9.5 mm Float Glass; Square Reflective Ruled Diffraction Grating; 600 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 600 l/mm |
| 33009FL01-220H 25 x 25 x 6 mm Float Glass Holographic Diffraction Grating; 1200 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 1200 l/mm |
| 33010FL01-420H 50 x 50 x 6 mm Float Glass Holographic Diffraction Grating; 2400 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 2400 l/mm |
| 33009FL01-300H 25 x 25 x 6 mm Float Glass Holographic Diffraction Grating; 1800 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 1800 l/mm |
| 33066FL01-410H 12.5 x 25 x 6 mm Float Glass Holographic Diffraction Grating; 2400 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 2400 l/mm |
| 33066FL01-310H 12.5 x 25 x 6 mm Float Glass Holographic Diffraction Grating; 1800 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 1800 l/mm |
| 85-288 12.7 x 12.7 x 2 mm UVFS; UV Transmission Grating Beamsplitter; 600 Grooves/mm Uncoated | Optics | Grating | Transmission Grating | Edmund Optics | UVFS | Rectangular | 600 l/mm |
| 47-553 25 x 25 x 3 mm Float Glass; Reflective Blazed Holographic Diffraction Grating; 600 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 600 l/mm |
| 43-740 25 x 25 x 9.5 mm Float Glass; Square Reflective Ruled Diffraction Grating; 600 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 600 l/mm |
| 43-743 25 x 25 x 9.5 mm Float Glass; Square Reflective Ruled Diffraction Grating; 600 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 600 l/mm |
| 43-208 50 x 50 x 9.5 mm Float Glass; Square Reflective Ruled Diffraction Grating; 600 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 600 l/mm |
| 33025FL01-220H 12.5 x 12.5 x 6 mm Float Glass Holographic Diffraction Grating; 1200 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 1200 l/mm |
| 33025FL01-210H 12.5 x 12.5 x 6 mm Float Glass Holographic Diffraction Grating; 1200 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 1200 l/mm |
| 33067FL01-220H 25 x 50 x 6 mm Float Glass Holographic Diffraction Grating; 1200 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 1200 l/mm |
| 33067FL01-510H 25 x 50 x 6 mm Float Glass Holographic Diffraction Grating; 3600 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 3600 l/mm |
| 33009FL01-310H 25 x 25 x 6 mm Float Glass Holographic Diffraction Grating; 1800 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 1800 l/mm |
| 33067FL01-200H 25 x 50 x 6 mm Float Glass Holographic Diffraction Grating; 1201.6 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 1201.6 l/mm |
| GH25-12U 25 x 25 x 6 mm Borofloat33 Reflective Holographic Grating; 1200 Grooves/mm Coated | Optics | Grating | Reflective Grating | Thorlabs | Borofloat33 | Rectangular | 1200 l/mm |
| GH25-24U 25 x 25 x 6 mm Borofloat33 Reflective Holographic Grating; 2400 Grooves/mm Coated | Optics | Grating | Reflective Grating | Thorlabs | Borofloat33 | Rectangular | 2400 l/mm |
| GH50-12V 50 x 50 x 9.5 mm Borofloat33 Reflective Holographic Grating; 1200 Grooves/mm Coated | Optics | Grating | Reflective Grating | Thorlabs | Borofloat33 | Rectangular | 1200 l/mm |
| 43-737 12.7 x 12.7 x 6 mm Float Glass; Square Reflective Ruled Diffraction Grating; 300 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 300 l/mm |
| 43-739 12.7 x 12.7 x 6 mm Float Glass; Square Reflective Ruled Diffraction Grating; 600 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 600 l/mm |
| 43-750 12.7 x 12.7 x 6 mm Float Glass; Square Reflective Ruled Diffraction Grating; 1200 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 1200 l/mm |
| 48-464 12.7 x 12.7 x 6 mm Float Glass; Square Reflective Ruled Diffraction Grating; 1200 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 1200 l/mm |
| 64-400 12.7 x 12.7 x 6 mm Float Glass; Square Reflective Ruled Diffraction Grating; 1800 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 1800 l/mm |
| 43-738 25 x 25 x 9.5 mm Float Glass; Square Reflective Ruled Diffraction Grating; 300 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 300 l/mm |
| 41-028 25 x 25 x 9.5 mm Float Glass; Square Reflective Ruled Diffraction Grating; 600 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 600 l/mm |
| 43-207 25 x 25 x 9.5 mm Float Glass; Square Reflective Ruled Diffraction Grating; 600 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 600 l/mm |
| 43-747 25 x 25 x 9.5 mm Float Glass; Square Reflective Ruled Diffraction Grating; 600 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 600 l/mm |
| 46-075 30 x 30 x 9.5 mm Float Glass; Square Reflective Ruled Diffraction Grating; 600 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 600 l/mm |
| 41-043 50 x 50 x 9.5 mm Float Glass; Square Reflective Ruled Diffraction Grating; 1200 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 1200 l/mm |
| 33009FL01-430H 25 x 25 x 6 mm Float Glass Holographic Diffraction Grating; 2400 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 2400 l/mm |
| 33067FL01-430H 25 x 50 x 6 mm Float Glass Holographic Diffraction Grating; 2400 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 2400 l/mm |
| 33025FL01-200H 12.5 x 12.5 x 6 mm Float Glass Holographic Diffraction Grating; 1201.6 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 1201.6 l/mm |
| 33025FL01-300H 12.5 x 12.5 x 6 mm Float Glass Holographic Diffraction Grating; 1800 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 1800 l/mm |
| 33066FL01-430H 12.5 x 25 x 6 mm Float Glass Holographic Diffraction Grating; 2400 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 2400 l/mm |
| GH25-12V 25 x 25 x 6 mm Borofloat33 Reflective Holographic Grating; 1200 Grooves/mm Coated | Optics | Grating | Reflective Grating | Thorlabs | Borofloat33 | Rectangular | 1200 l/mm |
| GH25-18V 25 x 25 x 6 mm Borofloat33 Reflective Holographic Grating; 1800 Grooves/mm Coated | Optics | Grating | Reflective Grating | Thorlabs | Borofloat33 | Rectangular | 1800 l/mm |
| 85-289 12.7 x 12.7 x 2 mm UVFS; UV Transmission Grating Beamsplitter; 830 Grooves/mm Uncoated | Optics | Grating | Transmission Grating | Edmund Optics | UVFS | Rectangular | 830 l/mm |
| 85-295 25 x 25 x 2 mm UVFS; UV Transmission Grating Beamsplitter; 1200 Grooves/mm Uncoated | Optics | Grating | Transmission Grating | Edmund Optics | UVFS | Rectangular | 1200 l/mm |
| 41-039 12.5 x 25 x 9.5 mm Float Glass; Reflective Ruled Diffraction Grating; 1200 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 1200 l/mm |
| 43-752 12.7 x 12.7 x 6 mm Float Glass; Square Reflective Ruled Diffraction Grating; 1200 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 1200 l/mm |
| 43-753 12.7 x 12.7 x 6 mm Float Glass; Square Reflective Ruled Diffraction Grating; 1200 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 1200 l/mm |
| 43-210 25 x 25 x 9.5 mm Float Glass; Square Reflective Ruled Diffraction Grating; 1200 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 1200 l/mm |
| 55-258 30 x 30 x 9.5 mm Float Glass; Square Reflective Ruled Diffraction Grating; 600 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 600 l/mm |
| 55-260 30 x 30 x 9.5 mm Float Glass; Square Reflective Ruled Diffraction Grating; 1200 Grooves/mm Bare Aluminum | Optics | Grating | Reflective Grating | Edmund Optics | Soda Lime | Rectangular | 1200 l/mm |
| 33010FL01-220H 50 x 50 x 6 mm Float Glass Holographic Diffraction Grating; 1200 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 1200 l/mm |
| 33009FL01-510H 25 x 25 x 6 mm Float Glass Holographic Diffraction Grating; 3600 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 3600 l/mm |
| 33009FL01-320H 25 x 25 x 6 mm Float Glass Holographic Diffraction Grating; 1800 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 1800 l/mm |
| 33025FL01-320H 12.5 x 12.5 x 6 mm Float Glass Holographic Diffraction Grating; 1800 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 1800 l/mm |
| 33010FL01-200H 50 x 50 x 6 mm Float Glass Holographic Diffraction Grating; 1201.6 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 1201.6 l/mm |
| 33067FL01-420H 25 x 50 x 6 mm Float Glass Holographic Diffraction Grating; 2400 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 2400 l/mm |
| 33067FL01-320H 25 x 50 x 6 mm Float Glass Holographic Diffraction Grating; 1800 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 1800 l/mm |
| 33025FL01-310H 12.5 x 12.5 x 6 mm Float Glass Holographic Diffraction Grating; 1800 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 1800 l/mm |
| 33066FL01-510H 12.5 x 25 x 6 mm Float Glass Holographic Diffraction Grating; 3600 Grooves/mm Coated | Optics | Grating | Reflective Grating | MKS/Newport | Soda Lime | Rectangular | 3600 l/mm |
| GH25-36U 25 x 25 x 6 mm Borofloat33 Reflective Holographic Grating; 3600 Grooves/mm Coated | Optics | Grating | Reflective Grating | Thorlabs | Borofloat33 | Rectangular | 3600 l/mm |
| 85-287 12.7 x 12.7 x 2 mm UVFS; UV Transmission Grating Beamsplitter; 300 Grooves/mm Uncoated | Optics | Grating | Transmission Grating | Edmund Optics | UVFS | Rectangular | 300 l/mm |
| 85-296 50 x 50 x 2 mm UVFS; UV Transmission Grating Beamsplitter; 300 Grooves/mm Uncoated | Optics | Grating | Transmission Grating | Edmund Optics | UVFS | Rectangular | 300 l/mm |
| GT13-03 12.7 x 12.7 x 3 mm B270 Glass; Visible Transmission Grating; 300 Grooves/mm Coated | Optics | Grating | Transmission Grating | Thorlabs | B270 | Rectangular | 300 l/mm |
| GT13-06V 12.7 x 12.7 x 3 mm B270 Glass; Visible Transmission Grating; 600 Grooves/mm Coated | Optics | Grating | Transmission Grating | Thorlabs | B270 | Rectangular | 600 l/mm |
| GT25-06V 25 x 25 x 3 mm B270 Glass; Visible Transmission Grating; 600 Grooves/mm Coated | Optics | Grating | Transmission Grating | Thorlabs | B270 | Rectangular | 600 l/mm |
| GT50-06V 50 x 50 x 3 mm B270 Glass; Visible Transmission Grating; 600 Grooves/mm Coated | Optics | Grating | Transmission Grating | Thorlabs | B270 | Rectangular | 600 l/mm |
| GT13-08 12.7 x 12.7 x 3 mm B270 Glass; Visible Transmission Grating; 830 Grooves/mm Coated | Optics | Grating | Transmission Grating | Thorlabs | B270 | Rectangular | 830 l/mm |
| GT25-08 25 x 25 x 3 mm B270 Glass; Visible Transmission Grating; 830 Grooves/mm Coated | Optics | Grating | Transmission Grating | Thorlabs | B270 | Rectangular | 830 l/mm |
| GT50-08 50 x 50 x 3 mm B270 Glass; Visible Transmission Grating; 830 Grooves/mm Coated | Optics | Grating | Transmission Grating | Thorlabs | B270 | Rectangular | 830 l/mm |
| GT13-12 12.7 x 12.7 x 3 mm B270 Glass; Visible Transmission Grating; 1200 Grooves/mm Coated | Optics | Grating | Transmission Grating | Thorlabs | B270 | Rectangular | 1200 l/mm |
| GT25-12 25 x 25 x 3 mm B270 Glass; Visible Transmission Grating; 1200 Grooves/mm Coated | Optics | Grating | Transmission Grating | Thorlabs | B270 | Rectangular | 1200 l/mm |
| GTI25-03A 25 x 25 x 3 mm B270 Glass; Visible Transmission Grating; 300 Grooves/mm Coated | Optics | Grating | Transmission Grating | Thorlabs | B270 | Rectangular | 300 l/mm |
| GTI25-03A 25 x 25 x 3 mm B270 Glass; Visible Transmission Grating; 300 Grooves/mm Coated | Optics | Grating | Transmission Grating | Thorlabs | B270 | Rectangular | 300 l/mm |
| 46-067 12.7 x 12.7 x 3 mm B270 Glass; Transmission Grating Beamsplitter; 70 Grooves/mm Uncoated | Optics | Grating | Transmission Grating | Edmund Optics | B270 | Rectangular | 70 l/mm |
| 46-073 12.7 x 12.7 x 3 mm B270 Glass; Transmission Grating Beamsplitter; 110 Grooves/mm Uncoated | Optics | Grating | Transmission Grating | Edmund Optics | B270 | Rectangular | 110 l/mm |
| 46-068 25 x 25 x 3 mm B270 Glass; Transmission Grating Beamsplitter; 70 Grooves/mm Uncoated | Optics | Grating | Transmission Grating | Edmund Optics | B270 | Rectangular | 70 l/mm |
| 46-070 25 x 25 x 3 mm B270 Glass; Transmission Grating Beamsplitter; 80 Grooves/mm Uncoated | Optics | Grating | Transmission Grating | Edmund Optics | B270 | Rectangular | 80 l/mm |
| 49-579 25 x 25 x 3 mm B270 Glass; Transmission Grating; 300 Grooves/mm Uncoated | Optics | Grating | Transmission Grating | Edmund Optics | B270 | Rectangular | 300 l/mm |
| 49-583 50 x 50 x 3 mm B270 Glass; Transmission Grating; 300 Grooves/mm Uncoated | Optics | Grating | Transmission Grating | Edmund Optics | B270 | Rectangular | 300 l/mm |
| 49-576 12.7 x 12.7 x 3 mm B270 Glass; Transmission Grating; 600 Grooves/mm Uncoated | Optics | Grating | Transmission Grating | Edmund Optics | B270 | Rectangular | 600 l/mm |
| 49-580 25 x 25 x 3 mm B270 Glass; Transmission Grating; 600 Grooves/mm Uncoated | Optics | Grating | Transmission Grating | Edmund Optics | B270 | Rectangular | 600 l/mm |
| 49-584 50 x 50 x 3 mm B270 Glass; Transmission Grating; 600 Grooves/mm Uncoated | Optics | Grating | Transmission Grating | Edmund Optics | B270 | Rectangular | 600 l/mm |
| 49-581 25 x 25 x 3 mm B270 Glass; Transmission Grating; 830 Grooves/mm Uncoated | Optics | Grating | Transmission Grating | Edmund Optics | B270 | Rectangular | 830 l/mm |
| 49-585 50 x 50 x 3 mm B270 Glass; Transmission Grating; 830 Grooves/mm Uncoated | Optics | Grating | Transmission Grating | Edmund Optics | B270 | Rectangular | 830 l/mm |
| 49-578 12.7 x 12.7 x 3 mm B270 Glass; Transmission Grating; 1200 Grooves/mm Uncoated | Optics | Grating | Transmission Grating | Edmund Optics | B270 | Rectangular | 1200 l/mm |