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Old 02-09-2020, 02:39 PM
raymo
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raymo is offline
 
Join Date: Sep 2011
Location: margaret river, western australia
Posts: 6,070
I removed my 8" f/5 Newt's rear cover[it was steel, and heavy]; used it for over 8 yrs for visual and AP, never had a problem, in fact it cooled quicker
without the cover. A 9" steel disc is a bit of a heat sink. Oh, and the secondary was not even close to visible.
raymo

Last edited by raymo; 02-09-2020 at 02:41 PM. Reason: more text
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