Can I clean the UV protection filter with water?
To remove inadvertent finger marks, for example..

Wipe with "lens Paper"Dry with "lens paper".

Wiping in circles from centre to circumference / from in to out.


Comments (5)

Great point.No, they are not water soluble.I put the UV filter under running tap water,then wipe with the lens tissue..

Do I dare to say, "How about wipe with soapy water?".


Mrxdimension wrote:.

Are fingerprints water soluble?..

Comment #1

Soap and water might work with a UV filter. Don't try it with a polarizer. All polarizer's are a laminate sandwich of glass and polarizing film. If you get moisture between the glass and film the filter is hosed until you can get the moisture out..

The generally recommended way to clean optics is to put one or two drops of lens cleaning fluid on a microfiber cloth, clean the optic, then dry it off with an unused portion of the microfiber cloth..

Better grade filters are easier to clean than lower grade filters in general. Beware of smearing the residue of what you're trying to clean in the first place...

Comment #2

Protecting filters are best cleaned by a method by which you take them off your lens and scrub them vigorously with a wire brush all in one direction. Then use that same system at 90 degrees to the original direction. You now have a cheesy star filter. It's admittedly a fairly useless filter, but more valuable than a protective filter.Cheers, Craig..

Comment #3

No; the wire brush and Dettol was the British Army's standard joke about military hospitals..

Seriously, find an opticians shop and ask nicely how they'd clean it..

They will either sell you some moist glasses cleaners or, if they like your smile, do it for you using a bottle of some mystery liquid and a funny bit of cloth..

The liquid may well be a weak ethanol solution and the cloth either a high tech bit of stuff or torn up sheeting - I'm serious. Old linen (not cotton - IMO) that's been washed a lot is great for cleaning glasses and filters if used with care..

BTW, check with a blower or by blowing that there's no dirt or grit on the lens first and check by shaking that the cloth is clean..

Sorry I can't guarantee this - so you do it at your own risk but I've done just this with filters and an EOS's zoom lens when I was desperate and had nothing to lose. But I took a lens from the Leica back to Leitz and asked them nicely and they did it while I waited....

Regards, David..

Comment #4

Spit on it. Works every time. NO green stuff, please!..

Comment #5

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