Cylindrical Lenses
Cylindrical lenses correct astigmatism in eyeglasses and rangefinders and focus light into a line. They serve barcode scanners, projection optics and laser measurement systems. Ruisen supplies plano-convex and plano-concave types. Negative focal length plano-concave cylindrical lenses provide image reduction and beam propagation; positive focal length plano-convex cylindrical lenses collect and focus light in imaging equipment.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Chamfer | <0,25 |
| Material | BK7,Fused Silica,etc. |
| Surface Figure（@633nm） [@633nm；@633nm）] | N2 |
| Surface Quality | 60/40 |
| Dimension Tolerance | +0.0，-0.1 |
| Thickness Tolerance | +0.2 mm |
| Centration | <3 arc min |
| Focal Length Tolerance | +1% |
| Antireflection Coating | R<0.25% for V-tybe AR coating R<0.5% for BBAR coating |
| Clear Aperture | >85% |
Applications
Datasheet
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Supplier Information
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