SIGMA

Website | Since 1961
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Company Description

Sigma Corporation is a Japanese manufacturer of cameras, camera lenses, and photographic accessories. Making all its products in the company's own factory in Japan, SIGMA is best known for its high-quality 3rd-party lenses and other accessories compatible with cameras made by other companies.
Since 2018, SIGMA has been a founding member of the L-Mount Alliance alongside Leica and Panasonic. It has since abandoned its proprietary SA-mount.

Foveon X3 Cameras

SIGMA made a number of film SLR cameras in the past, though recently it had focused on digital SLRs using the unique Foveon X3 sensor. Foveon X3 sensor uses an array of photosites that consist of three vertically stacked photodiodes, as opposed to the conventional Bayer filter. Each of the three stacked photodiodes has a different spectral sensitivity, allowing it to respond differently to different wavelengths.

Current Lenses

In recent years, SIGMA has amde autofocus lenses for full-frame DSLRs (notably Canon EF, Nikon F, and Sony A mount) as well as full-frame and APS-C mirrorless cameras (notably Sony E and Leica L).
SIGMA arranges its lenses in three main product lines: Art (A), Contemporary (C), and Sport (S).
SIGMA has introduced a full-frame mirrorless camera, the FP, in 2019 with a range of L-mount lenses and adapters.

User Reviews

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Products

Articles

SIGMA Rolls Out October Firmware Updates for EF- and L-mount Lenses & MC-11 Adapter thumbnail

SIGMA Rolls Out October Firmware Updates for EF- and L-mount Lenses & MC-11 Adapter

SIGMA rolls out Oct 2020 firmware update for five Canon EF-mount and two Leica L-mount lenses as well as the MC-11 EF-E mount converter....
22 Oct 2020
SIGMA Releases Firmware Updates for A Host of Lenses and the MC-11 EF-E Mount Converter thumbnail

SIGMA Releases Firmware Updates for A Host of Lenses and the MC-11 EF-E Mount Converter

SIGMA has just released firmware updates for a dozen lenses for DSLR and mirrorless cameras as well as the MC-11 EF-E mount converter. The latest SIGMA Optimization Pro software, ver 1.6.0, is also made available for Windows and Mac.
20 Aug 2020

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