2 aspherical, 4 very low dispersion, 3 bassa dispersione
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The Digital Picture
For considerably less cost than the Canon and Nikon equivalent, the 24 Art provides (marginally) better image sharpness in a similar feature package. For those reasons and the versatility afforded by a wide focal length combined with a very wide aperture, Sigma’s 24mm f/1.4 Art lens will surely find significant popularity.