產(chǎn)品展示
消色差透鏡
Achromatic lens are combinations of two kinds of optical grade glasses, Mostly they are useful for reducing spherical aberration due to the differences of two glass’s dispersions and shapes of both lenses. They are often used for CCD images system, focusing and expanding of lasers system, and focusing/collimating light for fiber optics.
Specifications
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Item
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Commercial
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High Precision
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Material:
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N-BK7 and F2; N-BK7 and SF5;
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Diameter φ:
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3mm~60mm
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Dimension tolerance:
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±0.1mm
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±0.05mm
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Focus length tolerance:
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±2%@632.8mm
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Surface figure(per 25.4mm)
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λ/4@632.8nm
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λ/10@ 632.8nm
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Surface quality:
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MIL40-20
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Clear aperture:
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85%
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Centration:
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≤3′
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Bevel(face width×45°) :
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0.2~0.4mm or specified by customer
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Coating:
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Specified by customer
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