4 In. Round Infrared Window, Optic Maximum Temperature 2,552 Degrees F, Viewing Aperture Area 9.79 sq in, Viewing Aperture Diameter 3.7 in, Viewing Aperture Height Not Applicable, Viewing Aperture Width Not Applicable, Window Thickness 0.16 in, Body...
4 In. Round Infrared Window, Optic Maximum Temperature 2,552 Degrees F, Viewing Aperture Area 9.79 sq in, Viewing Aperture Diameter 3.7 in, Viewing Aperture Height Not Applicable, Viewing Aperture Width Not Applicable, Window Thickness 0.16 in, Body...