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SW ED80, Barlow & back focus
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31-08-2021, 10:04 PM
evltoy
(Wayne)
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Join Date: Sep 2020
Location: Melbourne & NSW South Coast
Posts: 201
Thanks Ken for the pic.
Is that 80mm from outside edge of the draw tube / focuser or 80mm with about 30mm of inserted into the focuser?
Cheers
Wayne
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