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Originally Posted by ab1963
Does it hold focus well
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as is, it comes with a lock screw which is all or nothing. There is no slip at all, but the focus shaft does spin so freely that it will rack out if unlocked with the scope pointing up under its own weight.
I added adjustable drag using two nylon 5mm bolts in the holes provided for the motor. This IMHO is nirvana.
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and under heavier loads ,Is focusing smooth and precise
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yes
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you have used either a Feathertouch or moonlite
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no.
If you are contemplating a heavy load I’d look at the helical rack & pinion types from TS, they are designed for 5kg or so. I had a 130 mm APO with one, which was nice.