Thread: Focal lenth
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Old 11-02-2014, 09:14 PM
PSALM19.1 (Shaun)
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Join Date: Sep 2013
Location: Shellharbour NSW
Posts: 253
Hi malcolm, so my scope being an F6 (8" dob) would produce a comparable image to a slower scope of equal aperture? (Say Nexstar 8SE?)
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