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caheaton
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Reged: 05/26/09
Posts: 157
Loc: SW Ohio
80 or 90 for imaging?
      05/27/09 03:52 PM

Hello, I'm contemplating the purchase of an ETX80 or ETX90 and am undecided on which to purchase. I intend to use it for both visual observing and casual imaging (afocal attached to lens, probably with either an Olympus SP565 or Canon SD1100...the former is fairly heavy at 10 ounces, the latter very compact and light). I understand the limitations of both scopes in regards to aperture, chromatic aberration (ETX80), etc. I currently have an old Tasco 4.25" and even it seems too much to lug about, hence my desire for compact. Price is also an important factor. My basic questions are this: will both these scopes handle the weight of the cameras (perhaps I will add some weight at the top of the tube to balance) and most importantly...which will provide the brigther image for my camera..the 80 with its lower F ratio or the 90 with its greater aperture and better optics?
Craig

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Entire thread
Subject Posted by Posted on
* 80 or 90 for imaging? caheaton 05/27/09 03:52 PM
. * Re: 80 or 90 for imaging? Arthur Dent   05/27/09 04:11 PM
. * Re: 80 or 90 for imaging? rmollise   05/27/09 06:03 PM
. * Re: 80 or 90 for imaging? jgraham   05/27/09 06:09 PM
. * Re: 80 or 90 for imaging? Domerman   05/29/09 07:13 PM
. * Re: 80 or 90 for imaging? caheaton   06/05/09 10:12 AM
. * Re: 80 or 90 for imaging? AlexDJ30   06/07/09 07:13 PM
. * Re: 80 or 90 for imaging? caheaton   05/27/09 04:21 PM
. * Re: 80 or 90 for imaging? Arthur Dent   05/27/09 04:25 PM
. * Re: 80 or 90 for imaging? Arthur Dent   05/27/09 04:37 PM

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