how to clean filter after rain, have a film on the filter now

Joined
Mar 24, 2009
Messages
67
Location
Paris
Hello ,

just bought my first ND filter and tried at a workshop at a rainy day so ending up with some rain drops on the filter . The day after I tried to clean the filter with a lens cleaning tissue ..but now I have a film on the filter outside . I breath against it and clean again but no luck .. and there is a sticker on the filter box " multi coat , do not use any chemicals ,only soft cotton cloth cleaning allowed "

So what can I do to remove the film without damage to the filter?

Thanks in advance for any help /suggestions

Bjoern
 
Joined
Jul 29, 2005
Messages
9,532
Location
Pittsburgh, Pa.
I'm a strong believer in the traditional method, Lens cleaning tissue and lens cleaning fluid. One or two drops on the tissue, not the lens and start in the center and work your way out in a circular motion. Use a dry tissue to finish.
 
Joined
Jan 21, 2010
Messages
701
Location
Carstairs, Canada
I've moved to micro-fibre cloth. Excellent results. Use with or without fluid.
 
Joined
Mar 4, 2006
Messages
4,830
Location
Newcastle, Wa
I usually have a couple microfiber clothes I put in my pocket and clean my filters right away while shooting. If I am at the ocean and it is salt spray/mist, I do the same but sometimes add a drop of lens solution and get them really clean when finished shooting.
 
Joined
Mar 6, 2009
Messages
274
Location
Montreal, Québec
Acid rain in Paris? :eek:. As long as you have not damaged the coating it may help to clean it with a good quality microfibre cloth and if that does not help lens cleaning fluid should.
http://www.copperhillimages.com/shopping/pgm-more_information.php?id=6
or
Pec Pads http://www.photosol.com/store/pc/viewCategories.asp?idCategory=5 with http://www.photosol.com/store/pc/viewPrd.asp?idproduct=4&idcategory=2

Thanks for the links!
Because yesterday I was thinking....I miss the old Kodak lens tissue and cleaning fluid.
Had a filter to clean as it was exposed to sea mist and quite dirty.
So being a Nikon clear filter and no other choice.
I used pure Isopropyl alcool and a tissue from one of my sensor cleaning kits from Photographic Solutions.
The caracteristics of isopropyl are exactly the same as what is described for the lens celaning solution in one of the links.
And finished with microfiber and lens pen.
Filter cleaned and ready.
 
Joined
Jan 15, 2010
Messages
4,001
Location
UK
...The caracteristics of isopropyl are exactly the same as what is described for the lens celaning solution in one of the links.
And finished with microfiber and lens pen.
Filter cleaned and ready.
Yes, I think that the Copper Hill product is isopropyl at a low percentage and the Photosol cleaner is based on Methanol
 
Joined
Nov 30, 2011
Messages
1,252
Location
Indianapolis, IN
depends on the filter...if it is an uncoated filter i use warm soapy water and rinse in cold water, dry with a microfiber cloth...coated I use whatever the manufacturer recommends.
 
Joined
Mar 21, 2006
Messages
1,706
Location
New Zealand
I have several multicoated filters - Nikon, B&W, Hoya HD, Zeiss - and am quite happy rinsing them in water with a bit of soap. Just shake the drops off and dab any remaining drops off with a lens cleaning tissue. Cleaning fluids may be useful for removing stubborn greasy spots, but they always seem to leave smears.
 

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