Standard Round Window

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Product model table

(Find the product number of the product you want in the form, and select the product number from the above options to purchase.)

Material BK7 Grade A optical glass, UV grade  fused silica
Dimension Tolerance +0.0/-0.2mm
Thickness Tolerance ±0.2mm
Surface Quality Standard: 60/40
High Precision: 20/10
Clear Aperture >90%
Wavefront Distortion Standard: <λ@633nm per 25mm
High Precision: <λ/10@633nm per 25mm
Parallelism Standard: <1 arc minute
High Precision: <10 arc seconds
Chamfer Protected <0.5mmx45°
Coating Uncoated, available
Grade  Standard