VacTechniche Vacuum Optics – Viewports

Calcium Fluoride Zero Length Viewports

VacTechniche calcium fluoride viewports are offered in CF, ISO and KF flange styles. The clean, UHV CF versions are offered using 304L or 316LN stainless steel flanges. Non-magnetic viewports are offered as standard using annealed stainless steel weld rings and high grade 316LN and CF flanges. Flanges in 316L stainless steel are used for the high vacuum KF and ISO viewports.