N-BK7 PlanoConcave Lenses
Description
Plano concave lenses (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.
N-BK7 PlanoConcave Lenses
Specifications |
|
|---|---|
| Material: | BK7, UVFS, CaF2, H-K9L |
| Diameter: | 4-50 mm |
| Focal Length: | -6~-500 mm |
| Edge Thickness, Te: | 2-13 mm |
| Lens Type: | Plano-Concave |
Features
Material: BK7
Design Wavelength: 587.6nm
Diameter Tolerance: +0.0/-0. 1mm
Center Thickness Tolerance: ±0.1mm
Surface Figure: λ/4 @633nm
Focal Length Tolerance: ±1%
Centration: 3 arc min.
Surface Quality: 40/20-60/40
Bevel: 0.2×45°
Coating: Uncoated or Customized AR
Applications
- Optical instruments
For pricing, technical or any other questions please contact the supplier
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How to order?
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Ships from:
China
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Sold by:
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On FindLight:
since 2023
Frequently Asked Questions
N-BK7 PlanoConcave Lenses are mainly used in diverging parallel light.
BK7 material has high transmittance from visible light to near infrared (350-2000nm).
The available sizes of the lenses are listed in the ALPV01 table, ranging from 4.0mm to 50.0mm in diameter.
Yes, in addition to N-BK7, we can also supply CaF2, Fused Silica, ZnSe substrate PCV lenses with customized size and coatings available.