Thread: mirror cooling fan 4 dob 8''?
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Old 29-10-2008, 02:52 PM
sotos (Sam)
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Join Date: Oct 2008
Location: sydney
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mirror cooling fan 4 dob 8''?
hello,just got my 1st telescope last week and i was thinking to buy a mirror cooling fan for my dob 8'' skywatcher collopsible.does anybody think its a good idea?
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