Meniscus spherical lens

Meniscus spherical lens
Meniscus spherical lens
Meniscus spherical lens
Meniscus spherical lens
Meniscus spherical lens
Meniscus spherical lens
MaterialBK7 and Fused silica typically, Visible optical glass, Infrared optical glass.
Tolerances Low precisionStandard PrecisionHigh precision
Glass Qualitynd±0.001±0.0005Melt controlled

vd±0.8%±0.3%Melt controlled
Dimension Tolerance (mm)±0.20±0.10+0.01/-0.01
Radius Tolerance (R)1%0.5%0.3%
Scratch-Dig80-5060-4020-10
Wave front Distortion at 632.8nmλ per 25mmλ/4per 25mmλ/10 per 25mm
Clear Aperture80%90%95%
Bevel0.3±0.10mmx45°or upon requirement0.1±0.10mmx45°
CoatingCoating may be available by custom order


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