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Old 19-04-2015, 06:51 PM
glend (Glen)
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glend is offline
 
Join Date: Jun 2013
Location: Lake Macquarie
Posts: 7,121
Rowland I run a MPCC coma corrector (Baader) on the front of the camera, this creates a sealed chamber behind it and no argon can leak out. Even if a coma corrector or similiar is not used you can still screw on a clear glass filter on the end of the t-adaptor tube to create a seal at the front.
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