Choose from several in the store (!) This is not the L-ka that will shoot on the F4 frames that are pleasant to the eye in every respect and not the 70-200 F4IS, for example, the frames from which breathe air and ring with sharpness. But having 24-105 90% of the time is much better than not having any frame while you climb for the right lens. (Total: a solid four, maybe even with a plus).
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