| Product code | Material used | R.I
(Refractive index) |
Size
(in mm) |
| VLN1069/1 | Borosilicate Crown glass | 1-51 | 25×25 |
| VLN1069/2 | Dens Flint Glass Prism | 1-62 | 25×25 |
| VLN1069/3 | Extra Dent Flint Glass | 1-65 | 25×25 |
| VLN1069/4 | D. Extra Dent Flint Glass | 1-71 | 25×25 |
| VLN1069/5 | Borosilicate Crown glass | 1-51 | 32×32 |
| VLN1069/6 | Dens Flint Glass Prism | 1-62 | 32×32 |
| VLN1069/7 | Extra Dent Flint Glass | 1-65 | 32×32 |
| VLN1069/8 | D. Extra Dent Flint Glass | 1-71 | 32×32 |
| VLN1069/9 | Borosilicate Crown glass | 1-51 | 38×38 |
| VLN1069/10 | Dens Flint Glass Prism | 1-62 | 38×38 |
| VLN1069/11 | Extra Dent Flint Glass | 1-65 | 38×38 |
| VLN1069/12 | D. Extra Dent Flint Glass | 1-71 | 38×38 |
