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BK7 optical meniscus cylindrical lenses from China
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BK7 optical meniscus cylindrical lenses from China

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Description

Specifiction of our meniscus lens as follow:
*Material BK7 or other optical materials
*Dimension Tolerance +0.0~-0.1mm
*Center Thickness +/-0.1mm
*Focal Length Tolerance+/-1%
*Surface Quality:40/20
*Surface Figure:lambda/2 at 633nm on plano side
*Clear Aperture >90%
*Chamfer 0.25mm at 45 degree typical
*Coating Optional
Meniscus Lens can increase the NA of the system while only adding slightly to the total spherical aberrations. The Negative Meniscus Lens is used to increase the focal length of another lens while maintaining the angular resolution of the optical assembly. This lens shape is best used when one conjugate is relatively far from the lens.

BK7 meniscus cylindrical lenses, optical meniscus cylindrical,

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VY Optics Photoelectric Technology Co.,Ltd

optical lens optical window optical filter

Address: No.128 Taibei Street,Kuangcheng Area,Changchun 130052,
changchun, jilin
China, 130052

Tel: 86-431-86785771
Fax: 86-431-84631230

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