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John Hayes:Dave Erickson:John Hayes: I recall you mentioning your Zygo. There are a couple of shops in SoCal with WYKO 6000, I get calls on occasion to fix them... still a good instrument.... I have a Zygo MK11 on an 11' Gaertner optical bench with a parascope to bring the centerline up to 12". Its not a phase measuring instrument. I changed to camera for a new CMOS camera, and I use the coupling tricks to reduce vibration and eyeball the fringes. Not analytical but works. |