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The spot diagrams to the right show the 3" coma
corrector's performance on a 16" f3.5 Newtonian . |
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Even at the corners of the STL-11000's CCD chip, 80%
of the energy falls within a 3.3 mircon radius. An amazingly
small area at this field location. A Ritchey-Chretien at the
same location on this chip has 80% of the energy within a 24.6
micron radius. |
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