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Old 08-05-2011, 10:14 AM
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[1ponders] (Paul)
Retired, damn no pension

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Join Date: Nov 2004
Location: Obi Obi, Qld
Posts: 18,778
In a word: don't!

This question has been asked a number of times and been replied to by jjjnettie who has had one for quite some time and she has really persevered with it. I have seen the results and they are dismal to say the least. One of, if not the noisiest DSLR for astrowork that Canon has brought out. Personally I don't think Canon have brought out a consumer or prosumer DSLR that is really suitable for astro work since the 40D. Even thought the pixel size is a bit small (5.7 micron) for deepsky its a 14 bit camera which is a big bonus. Alternatively consider a 30D with a slightly bigger pixel (6.4) though only 12 bit as previous Canons

But that's just my opinion.
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