A biconvex lens consists of two convex spherical surfaces and has a positive focal length. The object and image are typically located on opposite sides of the lens. It is primarily used to converge light from a point source or to transmit images to other optical systems.
| Specifications | |
| Material | BK7 |
| Design Wavelength | 546.1nm |
| Design Index | 1.5183+/-0.0005 |
| Diameter Tolerance | +0.0，-0.15mm |
| Paraxial Focal Length Tolerance | +/-2% |
| Centration | 3 arc minute |
| Clear Aperture | >85% |
| Surface Figure | λ/4@632.8nm |
| Surface Quality | 60/40 |
| Bevel | 0.25mm*45° |
| Coating |
Uncoated |
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