Thread: Lunt 80mm DSII illumination problem.
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  #9  
Old 15-06-2016, 11:49 PM
johnnyt123 (John)
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johnnyt123 is offline 		 
Join Date: Oct 2012
Location: Belmore, NSW
Posts: 363
And here is another pic.
You can see the smear of this greasy material.

My question is how to remove it all wiht damaging the filter.
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