Thread: two 2 x barlows = one 4 x barlow?
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Old 12-09-2013, 04:18 PM
PSALM19.1 (Shaun)
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Join Date: Sep 2013
Location: Shellharbour NSW
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two 2 x barlows = one 4 x barlow?
Hi, wondering, does stacking two 2 x barlow's yeild the same magnification as one 4 x? (Borrowed a 4 x off a friend of mine and used on my 8" Dob and couldn't focus down with it; yet using the double 2 x method works quite well).....thanks
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