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Used Zygo Equipment for Sale

Transmission Spheres

Zygo *.dat files with the measured data are available on request for the following transmission spheres where measured values are given.

Aperture Description Price
4" f/0.75 Transmission Sphere PV 0.150 wave, rms 0.021 wave, PVr 0.129 wave (as measured against a f/0.51 RS) £2,500
4" f/1.5 Transmission Sphere (@98% aperture) PV 0.086 wave, rms 0.007 wave, PVr 0.053 wave (as measured against a f/0.51 RS) £3,500
4" f/3.3 Transmission Sphere PV 0.064 wave, rms 0.007 wave, PVr 0.044 wave (as measured against a f/0.51 RS) £3,000
6" f/10.4 Transmission Sphere PV not measured Should be <0.1 wave £6,000
6" f/3.2 Transmission Sphere PV 0.102 wave, rms 0.012 wave, PVr 0.091 wave (as measured against a f/0.51 RS) £8,000

Reference Spheres

Aperture Description Price
12.7mm f/0.51 Reference Sphere, PV <0.1 wave £1,500