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Wloptical Co., Ltd
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Plano concave spherical lens

Plano concave spherical lens

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Materail:BK7 grade A optical glass

Focal Length: ±1%

Diameter Tolerance: +0.0,-0.1mm

Center Thickness(Tc): ±0.1mm

Centration: 2arc minutes

Fringes: 1-5

Irregularity of Fringes: 0.5-1

Surface Quality: 40-20 scratch-dig

Clear Aperture:90%

Bevel: 0.25mm*45

Coating:none


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