Cylindrical lens is generally used to focus the incident light on the line or change the aspect ratio of the image. The double concave cylindrical lens has a concave cylindrical surface, so that the i..
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Material
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CDGM
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Diameter Tolerance:
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0,-0.2;0,-0.01(High Precision )
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Paraxial Focal Length Tolerance
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<2%
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Centration
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<3 arc minutes
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Clear Aperture
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>85%
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Surface Figure
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60/40 scratch/dig
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Bevel
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<0.25mm x 45°
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Coating
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According to customer requirements
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