Cylindrical lenses are used to increase the viewing angle in one direction in anamorphic optics, to form a linear front of light propagation, to shape a beam of various types, to correct the astigmatism of the optical system, etc.
Diameter: 10-150mm
Parameters | Achievable values * |
---|---|
Surface finish | Ñlass III |
Surface irregularity N / ∆N, rings | 5/2 |
Thickness irregularity, mm | 0.02 |
Diameter tolerance, mm | 0.05 |
Thickness tolerance, mm | 0.05 |
Focal length tolerance | 0.5% |
* Determined by material and set of parameters.