I have a Canon EF 24-70 f/4L IS USM. Bought it secondhand and like it. My choice was made because I found a good deal, but the 24-70 has less distortion and chromatic aberration and it has a Macro function compared to the 24-105 lenses. Edit: But I also had that lens before I bought the R6, so wasn't really thinking about the R6 body when I
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