Thread: Viability of fast Newtonians ?
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Old 01-02-2013, 04:15 PM
sally1jack (Phil)
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Join Date: Dec 2008
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I've observed with a 20" F3.5 over full range of exit pupils and couldn't fault the images. Stars looking almost perfect to the edge of a 100 degree apparent field.[/QUOTE]


Hi Mark,
was this with the new or old paracor?
phil
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