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My computer won't let me cut and paste it but google... Richest Field Telescopes by Mel Bartels
Lots of info there.
Kevin look at all the adaptors at Agena Astro and Teleskop-Express.
There is a field flattener for refractors for visual at TE but it is expensive. No idea if it works or not, sort of getting into the ED APO range of refractors by that stage.
Barry the other refractor that cures all the CA problems and gives 3.1º TFOV with a 40mm 68º eyepiece is the ED 100mm f9 from Saxon/Skywatcher. I have one and truly a nice scope.
Matt
Last edited by MattT; 16-02-2014 at 02:14 PM.
Reason: Correct TFOV
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