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Old 06-11-2018, 12:09 PM
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Merlin66 (Ken)
Spectroscopy Wizard

Merlin66 is offline
 
Join Date: Oct 2005
Location: St Leonards, Vic
Posts: 6,834
In my experience....
Just double, triple check the outer edges for minor small remaining pits Bright light and loupe eyepiece...
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