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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 available
only 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/2
λ/2
λ/2
λ/2
RMS λ/10 λ/10
Twist 10um -
Centration 10um -
Wedge error 100um -
Floor plan - ≤50um
Parallelism - ≤30um
Coating UV/VIS/NIR Available