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Cylinderical Lens

Cylindrical lens, different with the convex or concave lens to focus light into a point, which focuses light into a line. The curved faces of a cylindrical lens are sections of a cylinder, and focus the image passing through it into a line parallel to the intersection of the surface of the lens and a plane tangent to it. A cylindrical lens is usually placed in front of the system objective to create the light sheet used for imaging.

SpecificationCommercialHigh Precision
MaterialAs Required Schott,CDGM.etc.As required Schott, CDGM,etc.
Diameter Tolerance+0.00/-0.20mm+0.00/-0.05mm
Focual Length ToleranceTypical +/-5%@633nmTypical +/-2% @633nm
CentrationTypical <3arcminTypical <3arcmin
Surface Flatness@632.8nmL/4L/8
Surface Quality80-5040-20
CoatingAs required, with paint, Protection coating, high precision
 * Glued lens like Archromatic, triplet are still available
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