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How to clean ND Filter

Discussion in 'Inspire 1 Discussion' started by Skyline, Jul 24, 2015.

  1. Skyline

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    anyone got good suggestion to clean ND Filter?

    Sent from my S Edge
     
  2. ajohnsonlaird

    Joined:
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    Use lens cleaning solution and Q-Tips, but do not "scrub" with the Q-Tip. Use a "rolling action" with Q-Tip to avoid grinding any dirt into the surface. That's the technique we use to clean front-surface mirrors and coated lens in the optical paths of laser engravers/cutters. The rolling action will lift the crud off the filter, but you may have use two or more Q-Tips depending on what you have on the filter.

    Andy.
     
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