UHV Viewports>SiO2>Uncoated

A4977-1-CF

Crystal Quartz (SiO2) Viewport, UHV Rated Vacuum-Optics, 1.88″ View Dia, 4.50″ Conflat Flange

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A4585-1-CF

Crystal Quartz (SiO2) Viewport, UHV Rated Vacuum-Optics, 0.90″ View Dia, 2.75″ Conflat Flange

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