Space Telescope Science Institute   1.7 FGS2r  2.1 The Optical Train

Chapter 2: 
FGS Instrument Design


In this chapter . . .
The Optical Train
FGS Detectors
HST's Spherical Aberration
The FGS Interferometric Response
The FGS1r Articulated Mirror Assembly
FGS Aperture and Filters
FGS Calibrations


 1.7 FGS2r  2.1 The Optical Train
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