Why would you want to potentially degrade the performance of such a high
performance lens by sticking a filter in front of it?
Gary Reese's tests of filters clearly indicate that there is a high
probability they will degrade the image quality.
If you are seeking to protect the front element, the best way to do this
is to ensure you always extend the hood immediately after removing the
lens cap/snood. That will offer far more protection than a filter IMO.
I have a 180/2 and rely on the hood for protection rather than a filter.
Giles
Pandionhalietius@xxxxxxx wrote:
> Does it thread into the 250 f2's front? Or do you have to hold it in
> place somehow? The 350mm lens is the same as the 250 as far as all the
> literature states-so I am hopeful. Thanks for the information
>
> John
>
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