Daniel Flather wrote:
> I have a b+w polarizer filter that I use with my 100/2
> and 24/2.8.
> This is OT but the filter is dirty and no matter what I do I can not
> seem
> to clean it. There seems to be a film of crap on it.
> Similar to a oil
> on water look. All I can accomplish is to smear it around.
> It happened
> when
> I was in the Virgin Islands last winter. The problem is so bad my
> images are suffering,
> as with negs shot with the filter I can't make prints that show the
> quality
> optics this lenses possesses. I've tried cleaning it with
> one of those
> micro fiber rags made for eye glasses. any ideas?, (off list maybe)
>
------------------------------------------------------------------------
Sure, get a bottle of denatured alcohol and use it to remove the oil
with your cloth or lens tissue (I often use a cotton ball or Q-tip.
Afterward remove any residue with a different (clean) microfiber cloth.
Should work fine. You can also try Windex as ammonia should lossen the
oil and a cloth to remove it. Neither will hurt the glass.
Peter K
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