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EQ1 & 2 are lightweight mounts and the quality leaves something to be desired. For pix of DSO you need accurate tracking for at least 30 secs or more with a longish lens which means almost minimum EQ5.
You could possibly do widefeild with a cheaper mount (or a Polarie or similar) as tracking is not quite so critical.
I have done widefeild with my DSLR on a modified and stabilised EQ2 but it was not consistent enough for any long exposures. Certaily not good enough for higher magnifications on DSOs.
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