Biconvex Lens with Outer Diameter 5.91mm
A biconvex lens has two convex spherical surfaces of equal or different radii, forming a symmetric/asymmetric positive-focal-length element. It converges parallel beams, forms real images or acts as a main focusing element to improve light collection. Compared with plano-convex lenses, it gives better imaging with less spherical aberration/coma at equal object/image conjugate distances, suiting afocal systems, laser collimation and miniature imaging modules. A 5.91mm diameter is a miniature precision size with better clamping compatibility than sizes below 5mm. CA is generally ≥5.32mm, stated as over 90% of diameter. A standard protective chamfer <0.15mm×45° prevents chipping/scratching during clamping, cleaning and assembly. Compact applications include consumer 3D-depth lenses, miniature laser-ranging modules, medical endoscopes and portable spectrometers requiring tight space and imaging accuracy.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Lens Types | Biconvex Lens |
| Diameter Range | 0.5mm-50mm |
| Outer Diameter Tolerance | +0/-0.01mm |
| Thickness Tolerance (Thickness Deviation) | ±0.01mm |
| Surface Finish | 10/5~80/50 |
| Eccentricity Error | 1'~5’ |
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