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Old 21-10-2018, 10:56 AM
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Atmos (Colin)
Ultimate Noob

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Join Date: Aug 2011
Location: Melbourne
Posts: 7,013
I have used an 85mm and 135mm lens but there is a guy over on Cloudy Nights that has been using a Canon 600mm f/4 on a EQ6 for a number of years with a lot of success.

My point is, it is definitely possible and it does get done
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