Biconcave Lens LDC1102
Equal-Radius Biconcave Lens,Negative Focal Length,for Collimation,Increasing/Decreasing Focal Length or Image Size;N-BK7 Most Common Material.
Specification Snapshot
Material
BK7, Fused Silica, CaF₂
Center Thickness
+/-0.2mm
Surface Finish
60-40
Focal Length f
-30 mm
Diameter φ
12.7 mm
Radius of Curvature R1=R2
31.44 mm
Request a Quote
Download Datasheet
Overview
Equal-Radius Biconcave Lens,Negative Focal Length,for Collimation,Increasing/Decreasing Focal Length or Image Size;N-BK7 Most Common Material.
Specifications
| Parameter | Value |
|---|---|
| Material | BK7, Fused Silica, CaF₂ |
| Dimensional Tolerance | +0.0,-0.1mm |
| Center Thickness | +/-0.2mm |
| Chamfer | <0.25mm |
| Paraxial Focal Length | +/-1% (EFL<1m) +/-2%(EFL>1m) |
| Surface Finish | 60-40 |
| Effective Clear Aperture | >85% |
| Optical Coating | Coating According to Customer Requirements |
| Focal Length f | -30 mm |
| Diameter φ | 12.7 mm |
| Radius of Curvature R1=R2 | 31.44 mm |
| Center Thickness t c | 2 mm |
| Edge Thickness t e | 3.3 mm |
| Back Focal Length fb | -30.7 mm |
Datasheet
Please provide your email to download the datasheet.
Your name
Email Address
Invalid email format. Please try again.
Send Request
Supplier Information
Fujian Hanguang Optoelectronics Co., Ltd. was established in 2009, located in Fuzhou Minhou High-tech Zone, specializing in the R&D, manufacturing and sales of crystals and optical components. Products are widely used in laser, optical communication, optoelectronics, medical equipment, scientific research and other fields. The company has a team of professional talents and complete production lines, passed ISO9001:2015 quality system certification, and is a national high-tech enterprise. Its customers are all over the world, committed to providing reliable and cost-effective optical products.
Contact Us
Loading...
GetExperimental Plan
Name
Phone
+86
Organization
Use Case

Global Photonics Products
Database Platform
Database Platform
With 16 years of experience, we provide high-quality products and services to universities, research institutes, and industry.
50+ Detailed Categories · 3,000+ Global Brands · 100,000+ Photonics Products
1 Million+
In-depth analysis of professional academic resources in photonics
300,000
ProductsDatasheets Available Free
We will keep your personal information strictly confidential.
Product Quote
+86
* Select the quoting party:
By submitting, you agree to the User Service Agreement and Privacy Policy