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Old 21-10-2013, 04:23 PM
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rustigsmed (Russell)
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Join Date: Mar 2012
Location: Mornington Peninsula, Australia
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There are lots of options out there, greg has (as usual) made plenty of awesome points. although im fairly certain the 550d is pretty much the same as the 600d, 650d and 700d, sensor wise. maybe at the time the 550d was good but competitor sensors have progressed quicker since then.

One area where using a canon in astro work benefits is the software available. in particular im thinking of a program called backyard eos. it is an easy to use, affordable camera control software in which helps with focus, image capture etc. http://www.backyardeos.com/ i'm not sure what other programs people use to capture an exposure past 30 secs with other cameras? but maybe they can chime in with some other alternatives.

perhaps if you are looking at doing more of your work with the ed80 a canon may be better for you, widefield and landscape work a low noise alternative such as the fuji or other full frame camera may work better. a 60da can still be used for non astro by altering the white balance.

i think these days we are very lucky to have such good quality entry level dSLR cameras, you're unlikely to pick a dud if buying new.

best of luck with the decision!
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