Quote:
Originally Posted by doug mc
Thinking of attaching a small computer fan to the front dust cover on my GSO C.C. Doing it this way with the rear port open should help cool down. What is a good material to use for a dust filter to place on the outside of the fan? Thanks.
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As long as it blows OUT and not IN with a load of crap and the air coming in from behind is filtered through the eyepiece holder, and to this end I have made them in the past from this GREAT stuff
https://www.amazon.co.uk/gp/product/...?ie=UTF8&psc=1
That slip on and ducct tape, between the circular cutouts, don't laugh, think about it, three layers of fine "Tights", "Stockings" yes......, thin, and the finest make superb fine filters