| sent on September 29, 2025
Pros: Very light, compact optics, excellent rings, very precise manual focus, excellent aperture ring with nice clicks, very pleasant feeling, excellent colors, the bokeh I don't find bad, flare resistance, fast silent AF, f1.4 brightness, astro, night photos, star effect with closed apertures, 9 blades, dust seal, made in japan.
Cons: Strong distortion with raw files, visible lateral chromatic aberrations where the contrast between dark and very light is strong, corners. Internal firmware I would have preferred more internal automatic correction for what concerns visible aberrations. The AF?, perhaps not always very accurate to 100% you have to do a can of attention where you focus perhaps also because of the curvature of the field but the manual focus I find excellent so only AF-s speech.
Opinion: First impression, surely it takes time to give a judgment on this Sigma optics, also pulled to the whip with my Fuji X-H2 40MP perhaps with sensors with less MP behaves better, Sony, Canon. Pros: very light compact optics, excellent rings, very precise manual focus, excellent aperture ring with nice clicks, very pleasant feeling, excellent colors, the bokeh I don't find bad, interesting the brightness f1.4 bokeh really a nice difference having f1.4 vs 2.8 at full aperture detaches the foreground well with the Sigma 12 1.4. Cons: strong distortion with raw files, visible lateral chromatic aberrations. Internal firmware I would have preferred more internal auto-correction for visible aberrations. The AF?, perhaps not always very accurate to 100% you have to do a can of attention where you focus perhaps also because of the curvature of the field but the manual focus I find excellent so only AF-s speech. What I think: optics optimized for indoors given the f1.4 brightness, for astro excellent behavior also given the very precise manual aperture ring, for landscape photography I see better optics I would go for a zoom, my Fuji 8-16 with more sharpness at the corners. The mechanical system and materials chosen I can only say excellent better than certain Fujifilm lenses and also the Made in Japan lenses. The most visible aberrations I think also a speech of the 40MP Fujifilm sensor visibly increase if the optics are not optimized to the maximum on this point as well. I imagine a very difficult compromise the extreme speech super wide angles ultra bright find perfection, probably you need more special lenses and larger dimensions but increases, size, weight, costs. Unfortunately this Sigma 12 1.4 is part of the budget version where hard to ask for more, a manual MF ring system would be ideal for astro photography but not present. Personal thought, too bad, too bad, Fujifilm some lenses do not take into consideration, a very bright Fujifilm Original super wide angle lens would certainly have very high costs but the lens treatments would be better and perhaps even the internal automatic corrections. Note: For astro photography, at night, I find the ideal lens with excellent behavior could for these reasons be a very suitable lens beautiful even better than any other APS-c lens, unfortunately I still use Mac Pro 2009 computers I can not install any more I need updating, with recent programs certain optical errors, distortion, aberrations, are resolved in a moment, otherwise, as in my case, a can be more complicated. This morning I tried some reportage with little light in those situations I find that it is a fantastic lens, beautiful to use even if not easy given the very wide angle of view. Conclusion: Despite some critical points, aberration in particular situations, I would say a successful lens, even if I see it as a specialized lens, ideal with little light, also interesting, the chromatic aberrations are passe with very wide apertures, that is, the opposite of what you expect from a lens. Not to be misunderstood, above average but not exceptional optics, a can specialist. |
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