产品资料

平凹镜

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产品名称: 平凹镜
产品型号: CaF2平凹镜
产品展商: 其它品牌
产品文档: 无相关文档

简单介绍

Used with the concave(平凹镜) side facing the longer conjugate, these lenses act as a beam-expanding element in large f-number systems.


平凹镜  的详细介绍

Used with the concave(平凹镜) side facing the longer conjugate, these lenses act as a beam-expanding element in large f-number systems.

产品指标如下:
Diameter tolerance +0,-0.005” (+0,-0.13 mm)
Center Thickness tolerance ±0.008” (±0.2 mm)
Design Wavelength 5 microns
Focal Length Tolerance ±2%
Surface Quality 60/40
Clear Aperture 90% Central Diameter
Wedge Angle < 3 arc min
Surface Irregularity 1/2 l at 633 nm

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