Bi-Concave also known as Double-Concave lenses are often used for diverging light and image reduction, as well as increasing system focal lengths and collimating converging light beams. Bi-concave lenses are commonly utilized with other lenses in order to reduce the focal length of an optical system. With an extensive test glass inventory readily on hand and our unique background as OEM lens manufacturers, we are able to provide customized Bi-Concave Lenses per your applications specific requirement.
Precision Optical Components Produced To Your Specifications
| Standard Specifications | ||||
|---|---|---|---|---|
| Diameter | 3.00 - 5.00 | 5.01 - 25.40 | 25.41 - 40.00 | 40.01 - 75.00 |
| Surface Quality | 40-20 | 40-20 | 60-40 | 80-50 |
| Diameter Tolerance | +0/-0.05 | +0/-0.1 | +0/-0.1 | +0/-0.1 |
| Center Thickness Tolerance | +/-0.2 | +/-0.2 | +/-0.2 | +/-0.2 |
| Edge Thickness Tolerance | Reference | Reference | Reference | Reference |
| Centering Tolerance | 3-5arc mins | 3-5arc mins | 3-5arc mins | 3-5arc mins |
| Note | If your requirement is outside of our listed specifications, please inquire as our production facility can often quickly and affordably customize off-the-shelf components to a variety of sizes and shapes that will meet standard, precision, or high precision quality. | |||
