BK7 Double Convex Lens
Description
BK7 double-convex lenses 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.
BK7 Double Convex Lens
Specifications |
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|---|---|
| Material: | BK7, UVFS, CaF2, ZnSe, H-K9L |
| Diameter: | 2-100 mm |
| Focal Length: | 2.5-100 mm |
| Edge Thickness, Te: | 1-5 mm |
| Lens Type: | Bi-Convex |
Features
Material: BK7
Design Wavelength: 587.6nm
Diameter Tolerance: +0.0/-0.1mm
Center Thickness Tolerance: ±0.2mm
Surface Figure: λ/4 @633nm
Focal Length Tolerance: ±1%
Centration: 3 arc min.
Surface Quality: 40/20-60/40
Bevel: 0.1mm-0.3mmx45°
Coating: Uncoated or Customized AR
Applications
Perfect choice for various optical instruments and systems
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
BK7 double-convex lenses have excellent transmittance during 350nm-2000nm.
The material used for BK7 double-convex lenses is BK7 glass.
The design wavelength for BK7 double-convex lenses is 587.6nm.
The surface figure of BK7 double-convex lenses is λ/4 @633nm.
Yes, the coating on BK7 double-convex lenses can be uncoated or customized AR.