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> 1/4-wave n-BK7 window 12.5MM dia. MGF2 coated NT45-257
1/4-wave n-BK7 window 12.5MM dia. MGF2 coated NT45-257
1/4-Wave N-BK7 Window 12.5mm Dia. MgF2 Coating
TECHSPEC Precision 1/4 Wave N-BK7 Windows
These N-BK7 optical windows have a parallelism of 1 arc minute. VIS 0 coating provides less than 0.4% reflectance per surface from 425 to 675nm.
http:// /onlinecatalog/displayproduct.cfm?productID=1923&PageNum=2&StartRow=21
