W1287-25.4mm x 6mm witness sample

$39.00

Product Attributes

Material/Grade: Corning 7980 0F
Diameter: 25.4mm ±0.20mm
Thickness: 6.0mm ±0.20mm
Metrology Wavelength: 632nm
Clear Aperture (CA): 85%
Transmitted Wavefront: < 0.5 Waves
Reflective Wavefront: < 1.0 wv
Parallelism: < 30 Seconds
Bevel(s): Safety Bevel
Chips: < 0.5 mm
Cosmetics: 40/20
Edge Finish: Fine Edge Ground
Roughness: <1nm
TTV: <5um

199 in stock

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Additional information

Weight .03 oz
Dimensions 649131626 × 6495772 × 305 mm