GLASS TYPES
| HEBO | Schott | Hoya |
Glass Characteristic
| Type | Thickness | n (587,8 nm) | p (g/cm³) | Tg(°C) | Ts(°C) | α × 10-7(°C) | DA | DW | Bubbles | Homogeneity | Striae |
| Type | Thickness | A(2856K) | D65 | ||||
| x | y | Y(%) | x | y | Y(%) | ||
| HEBO | Schott | Hoya |
| Type | Thickness | n (587,8 nm) | p (g/cm³) | Tg(°C) | Ts(°C) | α × 10-7(°C) | DA | DW | Bubbles | Homogeneity | Striae |
| Type | Thickness | A(2856K) | D65 | ||||
| x | y | Y(%) | x | y | Y(%) | ||