BK7 Double-Convex Lenses
BK7 double-convex lenses(DCX) has excellent transmittance during 350nm-2000nm and usually used in finite imaging application. We usually adopt BK7 glass when it’s not necessary to use the advantage of UV grade fused silica.
| CAT. | Dia(mm) | EFL(mm) | BFL(mm) | R1=-R2(mm) | CT(mm) | ET(mm) |
| ALDX01-003-003 | 3.00 | 3.00 | 2.25 | 2.71 | 2.00 | 1.10 |
| ALDX01-003-006 | 3.00 | 6.00 | 5.30 | 5.84 | 2.00 | 1.60 |
| ALDX01-006-012 | 6.00 | 12.00 | 11.20 | 11.99 | 2.30 | 1.50 |
| ALDX01-006-030 | 6.00 | 30.00 | 29.26 | 30.60 | 2.30 | 2.00 |
| ALDX01-009-020 | 9.00 | 20.00 | 19.10 | 20.18 | 2.80 | 1.80 |
| ALDX01-009-036 | 9.00 | 36.00 | 35.10 | 36.71 | 2.80 | 2.20 |
| ALDX01-012-025 | 12.70 | 25.00 | 24.00 | 25.31 | 3.00 | 1.40 |
| ALDX01-012-050 | 12.70 | 50.00 | 49.00 | 51.14 | 3.00 | 2.20 |
| ALDX01-025-030 | 25.40 | 30.00 | 27.30 | 29.57 | 8.00 | 2.30 |
| ALDX01-025-050 | 25.40 | 50.00 | 48.40 | 50.79 | 5.00 | 1.80 |
| ALDX01-025-100 | 25.40 | 100.00 | 98.70 | 102.63 | 4.00 | 2.40 |
| ALDX01-025-150 | 25.40 | 150.00 | 149.10 | 154.47 | 3.00 | 2.00 |
| ALDX01-040-200 | 40.00 | 200.00 | 198.80 | 205.78 | 5.00 | 3.10 |
| ALDX01-050-250 | 50.00 | 250.00 | 248.60 | 257.45 | 5.00 | 2.60 |
*In addition to N-BK7, we also supply CaF2, Fused Silica, ZnSe substrate DCX lenses.
*Custom production is available.
