Re: [OM] filter for 350mm f2.8

[John Palmer]

Giles says
> 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.

I'm thinking of getting one for the 250/2 for use on rainy days. Even
with the fairly deep hood the front element gets raindrops on it. The
difference in quality degradation between raindrops and raindrops plus
filter is probably quite small.

John




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