There have been rumors for some time that Sigma will also offer lenses for Nikon mirrorless cameras with Z-mount next year. Not only Sigma's CEO fueled these rumors in an interview last year - now Nikon Rumors also has an email from Sigma Netherlands, in which Sigma more or less confirms the plan - but still without naming specific models.
This expansion of the mount program is particularly interesting, because Sigma offers optics for many, but not all camera mounts. Specifically, these are currently:
Fujifilm X Mount Canon EF mount Canon EF-M Mount L-Mount MFT-Mount Nikon F-Mount SA mount Sony E-Mount
And that's why the opening of Nikon's Z-mount is so interesting for Sigma. Because it means nothing else than that Nikon thinks to strengthen its own Z-mount system by additional optics from third parties and to do without more profits from its own optics in return. Or more negatively formulated, that Nikon does not see itself in a position to develop and market a necessary, very wide range of optics on its own.
The L-mount of Panasonic and Leica had already brought Sigma on board from the beginning, in order to be able to counter Nikon and Canon with a broader optics selection. Sony also opened its E-mount at the start in order to be able to be broadly positioned on the market early on. It is now exciting to see whether Canon will dare to take this step in the distant future.
Our guess is rather against it. The strategy seems to be to sell the R-mount itself to niche cameras like RED's Komodo in order to make exclusive profits with their own lenses.
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