10-12-2013, 07:24 PM
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Senior Citizen
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Join Date: Apr 2008
Location: Bribie Island
Posts: 5,068
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Quote:
Originally Posted by RickS
Thanks, Col. I'm familiar with the Petzval design. I have a Tak FSQ-106ED. I was just wondering why the Vixen is not an apochromat. Does it mean they used the extra degree of freedom to correct something else?
Cheers,
Rick.
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Yes.....colour correction and a ' flatter ' field......
see pic's ....also a 5.5" inch APO would be a heck of a lot more $$$$ than this Achromat Scope.
Primarily...this Scope will be for visual use only....very nice wide field flat views with good colour correction.
Col...
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