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Bunny Snow
BetterPhoto Member Since: 11/16/2004
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Circular Polarizer: Wide-Angle Slim Mount

I have a Canon Zoom Wide Angle-Telephoto EF 28135 mm f/3.5-5.6 Image Stabilizer USM Auto focus Lens, and am contemplating a B+W circular polarized multi-coated glass filter.
I have recently learned that this company also makes a Circular Polarizer Wide-Angle Slim Mount Coated Glass Filter. Please explain and, if possible, illustrate the reason of choosing one over the other, other than the price.
I understand that the latter is for wide-angle lenses, but is there a difference when that wide angle is part of a zoom? Thanking you in advance.

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12/8/2004 2:08:54 PM

BetterPhoto Member Since: 5/28/2002
  I have the same lens, and, at first, I used the regular polarizer. At the widest end at 28mm, I can notice the four corners of the photos are much darker, but no vignetting (totally black corners). I switched to the slim version, and the dark corners were gone. If not at the widest end of the zoom, either version is fine. However, since the slim version has no front thread, you cannot put another filter on top (who would, anyway), and you cannot even use your lens cap. It came with a push-on cap, but it is so easy to get loose and fall off. I ended up getting a lens-cap saver - the thing that has one end glue to the lens cap and the other end is the elastic band that you put around the lens. Hope this helps.

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12/9/2004 7:20:58 AM

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