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Wide field coverage refractor?
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21-03-2018, 05:46 PM
billdan
(Bill)
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Join Date: Mar 2012
Location: Narangba, SE QLD
Posts: 1,551
The Orion Mini guide scope or a Skywatcher finder scope is 50mm f3.2 or 160mm focal length, a 2X barlow will extend that to 320mm focal length. Or a 1.5x will get you to 240mm focal length.
Last edited by billdan; 21-03-2018 at
05:59 PM
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