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there are a few who image with 10" Newt, but its not common.Something with shorter f/l would be easier & more forgiving. Some Newts need the mirror shifted and/or low profile focuser to reach focus
I presume you are wanting to image dso's?
I think you would need to upgrade the eq5 to eq6 - the 10" will weigh a lot & guiding at that f/l is a must.
G-star is marketed as both planetary & dso but i don't think many here use one (not sure why)
THe 120mm will be a bit heavy for guidescope - most use something smaller & lighter.
For dso's i'm pretty sure you would want a coma corrector, baader is popular (mpcc) - but like my d-slr (olympus) the chip is smaller than other d-slr & coma is less problematic
Last edited by dannat; 08-06-2009 at 11:07 AM.
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