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Miscellaneous |
fused silica window with aperture, ring windows |
ring windows Material:BK7, B270, fused silia etc glass Process:optical cold processing+coating Dimension Tolerance:±0.1mm Flatness(at 632.8nm:lambda/2@ 632.8nm Angle Tolerance:±3 arc min S/D:60/40 Coating:Upon requirement Application Field:Monoculars,binoculars,telescopes,microscopes, cameras& projectors . MMT--your reliable one stop solution partner in China |