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Old 08-08-2020, 07:38 AM
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LostInSp_ce
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Join Date: Mar 2017
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That's very good for DSLR but at f30 you'll need exceptional seeing. Have you tried stopping down to around f15 - f20 on average nights? I think a 3x or 4x barlow/powermate will suit the 6 inch better.
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