Thread: Advice: OTA < 33 lbs for DSO Visuals
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Old 27-06-2017, 09:24 PM
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Atmos (Colin)
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For visual the focal ratio isn't really important. A 8" F/5 with a 10mm eye piece will throw up exactly the same view as a 8" F/10 with a 20mm eye piece.
Focal ratio is more important for photography
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