High-Precision Biconvex Lens
High-precision biconvex lenses have two outward-curved surfaces and a positive focal length, making them suitable for 1:1 imaging and multielement systems. Their focal length is designed as f=(R1*R2)/((n-1)*(R2-R1)). Zemax optical-design support, positive focal lengths and materials supplied on request are available. WTS provides custom biconvex lenses.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | Optical glass, BK7, fused silica, SCHOTT, OHARA, CaF2, germanium, etc. |
| Dimensional Tolerance | ±0.1mm (standard version), ±0.01mm (high-precision version) |
| Center Thickness Tolerance | ±0.1mm (Standard Type), ±0.02mm (High-Precision Type) |
| Paraxial Focal Length | ±2% |
| Surface Finish | 60/40 (Standard);20/10 (High Precision) |
| Clear Aperture Dimension | >85% |
| Surface Figure [633nm] | λ/2 (Standard), λ/8 (High Precision) @633nm |
| Centration Error | 3 arcmin |
| Chamfer [45°] | <0.25mm×45° |
| Coating | According to Requirements |
Applications
Datasheet
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Supplier Information
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