I would suspect that it contains less plastic and hence takes longer
to adapt to temperature changes (maybe also more glass where it hurts,
i.e. front element?) so there is probably very little you can do about
it :(
cheers
ecke

2010/1/9 Larry Colen <l...@red4est.com>:
> It seems that my PFA 50/1.4 is a lot more likely to fog over, especially
> when brought in from the cold, than any other lens I have.
>
> Tonight, it was fogging over at the slightest provocation, making it tough
> to get sharp pictures.  Does anyone else have similar problems with any
> lenses? Is there anything that can be done?  Put a UV filer on it so there
> isn't as much moisture next to the front element to condense on it?
>
> --
> Larry Colen l...@red4est.com sent from i4est
>
>
>
>
>
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