Negative Positive
Title: Fits perfectly, no problems
Review: I bought this filter for my 28-135 IS canon lens and so far it has worked out great. Unlike some of the other tiffen filters I bought, this one fits just right on the lens. All sides are even and it sits flush against the lens. I haven't noticed any artifacts from pictures I've taken yet, but I haven't really had much of a chance to take many pictures with the lens. The night shots I've take so far, I've been quite pleased with, however.
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