BK7 Double Convex Lens
Description
BK7 double-convex lenses (DCX) are versatile optical components renowned for their excellent transmittance across a broad spectrum ranging from 350nm to 2000nm. These lenses are primarily utilized in finite imaging applications where precise focusing and clarity are essential. Crafted from BK7 glass, these lenses offer superior optical performance without the need for UV-grade fused silica, making them a cost-effective solution for various optical systems.
BK7 Double Convex Lens
Specifications |
|
|---|---|
| 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
- Broad Spectral Transmittance: BK7 double-convex lenses exhibit exceptional transmittance from 350nm to 2000nm, ensuring clear imaging across a wide range of wavelengths.
- Finite Imaging Applications: Ideal for applications requiring finite imaging, such as magnification, projection, and focusing systems, where precise optical performance is crucial.
- Optical Precision: Engineered with high precision, these lenses maintain tight tolerances for diameter, center thickness, surface figure, and focal length, ensuring consistent and reliable performance.
- Versatile Sizing Options: Available in various diameters and focal lengths, offering flexibility to meet diverse application requirements.
- Durable Construction: Constructed from BK7 glass, these lenses are robust and durable, capable of withstanding demanding optical environments.
- Customization Available: Tailored options including diameter, focal length, center thickness, and coating specifications are available to accommodate specific application needs.
- Coating Options: Offered with a choice of uncoated or customized anti-reflective (AR) coatings to enhance optical performance and minimize unwanted reflections.
Summary:
Material: BK7 Optical Glass
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
For pricing, technical or any other questions please contact the supplier
- No registration required
- No markups, no fees
- Direct contact with supplier
Contact Supplier
How to order?
-
Ships from:
China
-
Sold by:
-
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.