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Old 28-09-2005, 05:19 PM
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asimov (John)
Planet photographer

asimov is offline
 
Join Date: May 2005
Location: Bundaberg
Posts: 8,819
Hi Darren. Long time no hear..Either way, your going to get *some* CA in either scope. I'm happy with the CA in mine. In hind-sight, I reckon the CA in the 152mm is worth putting up with to get the extra 1" of aperture. I have no doubt had I opted for the 127mm I would have got the aperture fever & kicked myself for not getting the 152 lol. Some people can look "through" CA....& some can't. Naturally I want to own the 5" as well but my budget etc at the moment forbids it. But yes, I whole-heartedly agree....If you find it hard to put up with CA...the longer FL the better for achro's!!

Alternatively, get an APO!
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