Heraeus
								| Suprasil 3001/3002/300 | |
| Refractive index | nd = 1.45846 | 
| Abbe number | vd = 67.8 ± 0.5 | 
| Dispersion | nf - nc = 0.00676 | 
 
						| Infrasil 301/302 | |
| Refractive index | nd = 1.45856 | 
| Abbe number | vd = 67.6 ± 0.5 | 
| Dispersion | nf - nc = 0.00678 | 
 
						 
 
| Suprasil 3001/3002/300 | |
| Refractive index | nd = 1.45846 | 
| Abbe number | vd = 67.8 ± 0.5 | 
| Dispersion | nf - nc = 0.00676 | 
 
						| Infrasil 301/302 | |
| Refractive index | nd = 1.45856 | 
| Abbe number | vd = 67.6 ± 0.5 | 
| Dispersion | nf - nc = 0.00678 | 
