MCD 6" CF Conflat Viewport Flange High Vacuum DN100CF With Quartz 2.5" OF Port

MCD 6" Conflat Flange Blank DN100CF With Quartz Viewport 2.5" Port Rotatable Stainless Steel Ultra High Vacuum UHV

Used, see photos

Knife Edge in good condition. Swappable center optic by unscrewing the central bolts. Optic is sealed with an o-ring.

Bn