Dave wrote:

Hi,

What is the best thing to use to clean a smudge (like a finger print) off a
lens? I know to use a protector filter but I have lens to clean that didn't
have one. I heard that some liquid type cleaners are not good for lens
coating. Is there a popular cleaning kit or cloth to use?

For easy things like smudges, Photo stores usually sell microfibre
cloths. Just gently blow away loose dust and then lightly fog the lens
with your breath and finally use the microfibe cloth to polish the lens.

I hear a lot of people like the lens pen, I've never tried it personally.

For toughter stuff, I use Kodak lens cleaner in minute amounts and Kodak
paper wadded up. Then a polishing with the microfibre cloth.

Cheers,
Alan

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