Building a Newtonian Astrograph
Building a Newtonian Astrograph
Building a Newtonian Astrograph
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Design HighlightsPlanning for a fully illuminated imager:Differing design principals for visual vs. imaging:Imaging:- To attain the brightest image possible and help avoid vignetting, theimaging plane should be as fully illuminated as possible.- This requires substantially larger secondary mirrors than in similarly sizedscopes intended for visual observing.Typically, a telescope optimized for imagingwill not perform well for visual observing.Source – NEWT 2.5 Help Files
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