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The Sigma 30mm F1.4 DC DN Contemporary lens is a fixed maximum aperture standard prime lens for Sony E, Micro Four-Thirds, Canon EF-M, and Leica L mounts, announced by Sigma in February 2016. [1] [2] The lens is the mirrorless equivalent of the Sigma 30mm f/1.4 EX DC HSM, a similar lens of a different optical formula optimized for traditional ...
The Sigma 35 mm f / 1.4 DG HSM Art is a wide-angle prime lens made by the Sigma Corporation. [1] The lens was announced at the 2012 photokina trade fair. [2]The lens is produced in Canon EF mount, Nikon F-mount, Pentax K mount, Sigma's own SA mount, and the Sony/Minolta AF Mount varieties, all have the same optical formula.
Like the EF-mount, the SA-mount uses electrical communication between body and lens, and in fact uses the same signalling lines and protocol as the EF-mount, despite the physical incompatibility. Sigma has long produced EF-mount lenses for Canon cameras, and thus had the ability to use this protocol.
At around twice the price of the Sigma and Tamron 100-400mm lenses on the market, the Canon EF 100-400mm f/4.5-5.6L IS II USM is a more substantial proposition.
The Sigma 150mm f / 2.8 APO Macro EX DG HSM is a telephoto macro prime lenses made by Sigma Corporation. The lens was produced for the SA mount, Canon EF mount, Four Thirds System, and the Nikon F-mount; all have the same optical formula.
Versions for Sigma SA, Canon EF and Nikon AF-S mounts were available. [3] This lens was in production between 2003 and 2005. In a review, Popular Photography noted "the focus [was] surprisingly fast for such a big lens" and praised the full-time manual focusing ring, enabled by Sigma's ultrasonic ring focusing motor, but criticized the lack of ...
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