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BK7 Plano-Concave Lenses

BK7 Plano concave lens(PCV) is mainly used in diverging parallel light. BK7 material has high transmittance from visible light to near infrared(350-2000nm). When don’t need the feature of uv silica material, often use this type in laser and telescope application.

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Description

CAT. Dia(mm) EFL(mm) BFL(mm) CT(mm) ET(mm)
ALPV01-004-006 4 -6 -6.7 1.5 2.2
ALPV01-006-012 6 -12 -13 1.5 2.3
ALPV01-009-025 9 -25 -26 2.0 2.4
ALPV01-012-025 12.7 -25 -27 3.0 4.7
ALPV01-012-050 12.7 -50 -52.4 3.5 4.3
ALPV01-016-045 16 -45 -47.3 3.0 4.4
ALPV01-020-040 20 -40 -41.4 2.0 4.6
ALPV01-025-050 25 -50 -51.4 2.0 5.3
ALPV01-025-075 25.4 -75 -77 3.0 5.1
ALPV01-025-100 25.4 -100 -102.1 3.0 4.6
ALPV01-025-125 25.4 -125 -127.4 3.5 4.8
ALPV01-025-150 25.4 -150 -152.4 3.5 4.5
ALPV01-050-100 50 -100 -102.1 3.0 9.4
ALPV01-050-200 50 -200 -202.2 3.0 6.1

*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 PCV lenses with customized size and coatings available.