Happy Holidays everyone- I got some nice responses from my previous post asking for opinions on the C11 so here goes again---. Has anyone actually done a side by side comparison of Celestrons, one with Starbright coatings and one with XLT coatings? Celestron claims an improvement of 16%, but that could be just advertisement. I'm mainly interested in any contrast gains. Thanks again.
Starbright vs XLT
Started by Gerry F, 12/26/2004 02:16PM
Posted 12/26/2004 02:16PM
Opening Post
Posted 01/04/2005 12:49AM
#2
Gerry,
I have a C11 with XLT (along with a C14 with XLT and C8 without XLT) and I can tell you that I get significant ghost images in the C11 that I think is due to a lack of effectiveness of the coatings on the corrector(and I am using Pans and Naglers). I don't have the same problem with the C14 but I have it even worse with the C8. If you are going to the Winter Star Party in February they usually have a significant number of SCT's there that you should be able to compare. Otherwise I know of no way to get a valid side by side comparison....
I have a C11 with XLT (along with a C14 with XLT and C8 without XLT) and I can tell you that I get significant ghost images in the C11 that I think is due to a lack of effectiveness of the coatings on the corrector(and I am using Pans and Naglers). I don't have the same problem with the C14 but I have it even worse with the C8. If you are going to the Winter Star Party in February they usually have a significant number of SCT's there that you should be able to compare. Otherwise I know of no way to get a valid side by side comparison....
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