W1090- N-BK7 Grade A, Fine Annealed H2 Homogeneity 127mm dia. x 4mm thk.


Product Attributes

Material/Grade: N-BK7 Grade A, Fine Annealed H2 Homogeneity
Diameter: 127mm ± 0.051mm
Thickness: 4mm +0.00mm/-0.152mm
Metrology Wavelength: 632.8nm
Clear Aperture (CA): 116.84mm Minimum
Transmitted Wavefront: </= 1/4 waves Power, </= 1/8 wave Irreg over CA
Reflective Wavefront: < 1.5 waves
Parallelism: </= 1 arc minute
Bevel(s): 0.25mm - 0.5mm x 45° FW
Chips: < 0.5mm, stoned
Cosmetics: 60/40
Edge Finish: Fine Edge Ground

7 in stock

Quality Levels

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Level 1

As is. C of C only

Full inspection with interferograms

Product price: $407.00
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SKU: W1090 Categories: , ,

Additional information

Weight 5 oz
Dimensions 649131626 × 6495772 mm