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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.

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Description

CAT. Dia(mm) EFL(mm) BFL(mm) CT(mm) ET(mm)
ALDX01-003-003 3 3 2.2 2.0 1.1
ALDX01-003-006 3 6 5.3 2.0 1.6
ALDX01-006-012 6 12 11.2 2.3 1.5
ALDX01-006-030 6 30 29.2 2.3 2.0
ALDX01-009-020 9 20 19.0 2.8 1.8
ALDX01-009-036 9 36 35.1 2.8 2.2
ALDX01-012-025 12.7 25 24.0 3.0 1.4
ALDX01-012-050 12.7 50 49.0 3.0 2.2
ALDX01-025-030 25.4 30 27.2 8.0 2.3
ALDX01-025-050 25.4 50 48.4 5.0 1.8
ALDX01-025-100 25.4 100 98.7 4.0 2.4
ALDX01-025-150 25.4 150 149.1 3.0 2.0
ALDX01-040-200 40 200 198.5 5.0 3.1
ALDX01-050-250 50 250 248.6 5.0 2.6

*All models can’t be totally listed. Other demand, please send us required spec details.
*In addition to N-BK7, we could also supply CaF2, Fused Silica, ZnSe substrate DCX lenses with customized size and coatings available.