schmidt triplet for ztf r. dekany 16 april 2013. add refigured schmidt singlet to existing...
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DESCRIPTION
Features of latest design April 15 Singlet remains plane parallel – Earlier quotes called for grinding a radius to one of the two existing plane surfaces New aspheric coefficient is about 70x smaller than the existing coefficient – … if original design is simply optimized Schmidt – Therefore, the ‘refiguring’ process for the singlet is fundamentally taking out much of the asphere Insensitive to axial location for installation – Could be either inside or outside existing doublet Relatively insensitive to axial location – 10 mm lateral misplacement barely affects image quality