- Lens
Detailed Lens Description
We make lenses with diameter from 0.7mm to 300mm by all kinds of optical glass or optical crystals, such as BK7, fused silica, CaF2 and so on.
Our standard lens has the following specifications:
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Optical Specification
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Material
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All kinds of optical glass or specified by customer
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Design index Tolerance
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+/-0.0005
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Focus Length Tolerance
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+/-2%~0.5%
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Diameter Tolerance
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+0/-0.2mm~+0/-0.02mm
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Thickness Tolerance
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+/-0.005mm~+/-0.02mm
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Surface Accuracy
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2~λ/10
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Surface Quality
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80/50~10/5
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Centration
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5'~1'
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Clear Aperture
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>80%~95%
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Bevel
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0.3mm×45°~0.1mm×45°
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Coating
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Accroding to customer's requirement
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We supply with all kinds of optical lens and customized the lenses according to the customers' requests.
