Optola offers wide range of Plano-Concave Cylindrical Lenses.
Other sizes and focal length are available upon request as well as the lens ring mounts.`
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Material | BK7 or UV fused silica |
Focal Length Tolerance | ±2% @589nm |
Centration | ≤3′ |
Diameter Tolerance | +0/-0.1mm |
Clear Aperture | ≥ central 90% of diameter |
Center Thickness and Tolerance | 2.5±0.1mm |
Edge Thickness | Nominal Value |
Surface Quality | 40/20 |
Surface Accuracy (over the clear aperture) | ≤ λ/2 irregularity in Y axis at 632.8 nm ≤ λ/4/cm irregularity in X axis at 632.8 nm |
Chamfers | 0-0.8mm face width×45°±15° |