Cylinder lenses, as the ones with a different type of X-axis and Y-axis radius, have cylindrical or semi-cylindrical shape and enlarging images are availableonly on a single axis. Flat products can be processed up to the line PV λ/10 in case of thickness≤30T and line PV λ/4≥50T.
Cylindrical | Flat | ||
---|---|---|---|
Length(L) | ≤1800mm | ≤1800mm | ≤1800mm |
Height(H) | ≤500mm | ≤500mm | ≤500mm |
Thickness(Tc) | ≤100mm | ≤100mm | ≤100mm |
Free aperture FA | 1% | 1% | |
Radius | ±0.3% | - | |
Irregularity | PV | λ/2λ/2 | λ/2λ/2 |
RMS | λ/10 | λ/10 | |
Twist | 10um | - | |
Centration | 10um | - | |
Wedge error | 100um | - | |
Floor plan | - | ≤50um | |
Parallelism | - | ≤30um | |
Coating | UV/VIS/NIR Available |