New choice for APS-C format: Sigma applies for patent for 50-140mm f/2.8 lens

According to news on June 30, Sigma recently applied for a patent involving 70-200mm for full-frame mirrorless cameras. f/2.8 lens. According to patent documents, Sigma has focused on optimizing this lens, paying attention to its performance indicators such as length, weight and portability, and the internal structure of the lens is also more compact. This indicates that Sigma may be planning to launch a model similar to the Canon RF70-200mm A compact telephoto zoom lens of f/2.8 L. However, these lenses are currently only in the patent application stage and it has not yet been determined whether they will be officially launched.

According to the editor’s understanding, not long ago, Sigma also applied for a patent involving the 50-140mm APS-C format. f/2.8 lens. If this lens is successfully commercialized, it will become a DC lens owned by Sigma. The first telephoto zoom lens in the DN series (for APS-C mirrorless cameras). The starting focal length of this lens is 50mm, which may be the same as Sigma's 18-50mm f/2.8 DC The DN large aperture zoom lens forms a good match.

Sigma currently focuses on Sony E-mount and L-mount mirrorless camera lenses. However, a few months ago, Sigma also launched a Nikon Z-mount version of the lens. Therefore, the two lenses mentioned above may also be launched in Nikon Z mount versions. As for Canon's RF mount, although Chinese lens manufacturers have obtained authorization, there has been no official announcement that Sigma will launch third-party lens products suitable for the RF mount.

For its part, Sigma has recently applied for patents that show its focus on the full-frame and APS-C mirrorless camera lens markets. Although these lenses are currently only in the patent stage, Sigma is expected to launch more high-performance lenses suitable for different camera systems in the future, further enriching the choices of photography enthusiasts.

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