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Anonymous
>>157946 This is a reasonable assumption, but it's not necessarily true. Some lenses are just better than others, either in design or the sort of glass used, or whatever. Other lenses perform better opened up than others. I have no clue about either of these lenses.
Also, making this reasonable assumption, it also follows that the 28/2.8 would be able to be stopped down farther before it hits diffraction. If the OP works mainly at smaller apertures, the lens that will stop down farther and still be good will be better. If he works mainly at larger apertures, the lens with the larger sharpest aperture will be best.
And lastly, technical performance doesn't really matter much; aesthetic performance does. OP should run a Flickr search for the two lenses and pick the one he likes the look of best for the work he wants to do with it.
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