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Old 17-05-2018, 08:10 AM
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Atmos (Colin)
Ultimate Noob

Atmos is offline
 
Join Date: Aug 2011
Location: Melbourne
Posts: 7,013
With my refractor I refocus every 1°C of change with a DSLR and with my Honders I refocus every 3°C and have filter offsets.
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