Best UV filter for Canon EF 16-35mm f/2.8 L II USM?

[abushga]

<p>I like the B+W 82mm UV MRC filter, but I really, really want a filter with threads that will retain the Canon lens cap. <br>

Require no vignetting with the 16-35mm lens, naturally.<br>

B+W makes "slim" models for wide angle lenses that come with those irritating slip-on/fall-off lens covers. Working in dusty high desert, these are worse than nothing. <br>

B+W also makes thicker 82mm UV MRC filters that claim no vignetting with this lens, but I can't determine whether filter has internal threads for the Canon lens cap.<br>

Can anyone on the list recommend a model of the B+W 82mm UV MRC that will do what I need? <br>

Or ... another brand of equivalent quality?<br>

Thanks,<br>

Randy</p>

[mendel_leisk]

<p>As far as I know, if it doesn't say "slim" it has front threads, at least with B+W.</p>

<p>As to the question of vignette with regular thickness filter: I suspect it won't but maybe this is a case where you should purchase in person, take test shots and review on the LCD. Don't rely on the viewfinder: it might not be showing 100%.</p>

<p>About 2 page scrolls down in The-Digital-Picture review of the 16-35II:</p>

<p><a href="http://www.the-digital-picture.com/Reviews/Canon-EF-16-35mm-f-2.8-L-II-USM-Lens-Review.aspx">http://www.the-digital-picture.com/Reviews/Canon-EF-16-35mm-f-2.8-L-II-USM-Lens-Review.aspx</a></p>

<p>he says:</p>

 

<blockquote>

<p>Unfortunately, a <a href="http://www.the-digital-picture.com/Reviews/B-W-82mm-MRC-UV-Filter-Review.aspx">normal thickness UV filter</a> causes some additional vignetting at 16mm when mounted on a full frame body.</p>

</blockquote>

<p>I'm still not sure though. I believe he also recommends slim for the 17-40, but I found a regular thickness worked fine.</p>