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 Post subject: EFW filter clearance?
 Post Posted: Tue Nov 28, 2017 1:35 pm 
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Joined: Mon Nov 13, 2017 2:17 pm
Posts: 2
I´ve just bought the EFW 8-pos and a ZWO LRGB + narrowband 31mm filter set. However, I also have a (very expensive, that´s why I want to use it) Astrodon 3nm Ha-filter, 1.25". The stated clearance for the EFW is "less than 7 mm" but my Astrodon filter seems to be a bit above 7 mm, maybe 7.5 or so.
Will this be OK? It would be a shame if one couldn´t use filters from other manufacturers, especially when there is a need for 3nm Ha-filters.


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 Post Posted: Fri Dec 01, 2017 10:29 am 
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Joined: Thu Feb 21, 2013 2:51 am
Posts: 2332
7.5mm should works too

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