How to: Cleaning ND filters (with pictures)

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Today I'm going to show you how to clean ND filters (my way).

What you need...
• Windex
• 1 or 2 small bowls or containers
• Tweezers
• Cotton tipped applicators
• Lens cloth


1] Pour a little windex in the bottom of one of the containers.
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2] Use the tweezers to dip the ND filter into the windex and put the ND filter in the other container facing up.
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3] Use a cotton tipped applicator to scrub the ND filter in a circular motion.
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4] Whipe the windex and dirt of the ND filter using the lens cloth.
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Now your done!

Have you ever been putting on a filter and you get fingerprints or smudges on them? Have you ever went to put one on and find scratches on them? This is one thing that I find really frustrating! Well I have a solution. Take a pice scotch tape (preferably the clear stuff) and put it on the lens and then take it off. It seems to grab the smudges, fingerprints etc. This works well for a quick clean on site. I also keep tape on them when not in use to keep them from getting scratches, smudges or fingerprints. Then when I put the filter on I can take the tape off. This way I don't have to worry about getting fingerprints on them while trying to put them on.
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Share your thoughts below and let us know what you think!
Thanks for taking the time to read and as always, happy and safe flying!

EDIT: If you have it, medical alcohol works better than Windex.
 
Last edited:
Never tried windex but if it works then it's a great help to all.

Yes scotch tape definitely works to pickup dirt.
 
Prefer the lens cleaning solution that was provided with my prescription glasses. Find that new formulations of Windex leave a wax film.
 
[emoji12]
 
Be careful. I applied to much pressure and broke my DJI ND 8 filter. Wasn’t much pressure at all but it shattered. Very fragile.
 

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