meniscus cylindrical lens

单价	￥1.00对比
销量	暂无
浏览	260
发货	吉林长春市付款后3天内
库存	50000起订10
品牌	vy
过期	长期有效
更新	2017-07-31 19:32

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郄海玉 (女士) sales manager

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详细说明

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.

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

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