An ultra-wide angle zoom lens with minimal distortion, a constant f/4 maximum aperture and improved autofocusing.
Sigma 30mm f/1.4 DC HSM Art lens
https://www.photoreview.com.au/reviews/lenses/other-ilc/sigma-30mm-f14-dc-hsm-art-lens/An updated standard prime lens for APS-C cameras, which features telecentric optics and a linear hypersonic AF motor.
Sigma sd Quattro
https://www.photoreview.com.au/reviews/advanced-compact-cameras/interchangeable-lens/sigma-sd-quattro/One of the first interchangeable-lens cameras to use the Foveon Quattro sensor, the sd Quattro has a new hybrid AF system and weatherproof body.
Sigma announces three new lenses
https://www.photoreview.com.au/news/sigma-announces-three-new-lenses/Sigma is adding three new lenses – the 85mm f/1.4 DG HSM Art, 12-24mm f/4 DG HSM Art and 500mm f/4 DG OS HSM Sport – to its Global Vision range.
Sigma issues new firmware for three lenses
https://www.photoreview.com.au/news/sigma-issues-new-firmware-for-three-lenses/Sigma has released new lens firmware to resolve issues when three popular lenses are used with the Nikon D500 camera.
Sigma announces new cameras and lenses
https://www.photoreview.com.au/news/sigma-announces-new-cameras-and-lenses/Sigma has used the CP+ show in Japan to unveil two new mirrorless cameras plus new lenses for DSLR and mirrorless cameras.
Firmware updates for Fujifilm, Panasonic and Sigma cameras
https://www.photoreview.com.au/news/firmware-updates-for-fujifilm-panasonic-and-sigma-cameras/Fujifilm, Panasonic and Sigma have issued firmware updates for several cameras in their ranges this month.
Sigma unveils new WR Ceramic Protector Filter
https://www.photoreview.com.au/news/sigma-unveils-new-wr-ceramic-protector-filter/Sigma has released details of a new protective filter with 10x the strength of normal filters and a water-repellant coating.
Sigma dp3 Quattro
https://www.photoreview.com.au/reviews/advanced-compact-cameras/fixed-lens/sigma-dp3-quattro/The latest version of Sigma’s Quattro compact camera features a fast medium telephoto lens with ‘macro’ capabilities.
Sigma announces 4th dp Quattro camera plus new lens and accessories
https://www.photoreview.com.au/news/sigma-announces-4th-dp-quattro-camera-plus-new-lens-and-accessories/Sigma has made a number of new product announcement in advance of the CP+ Imaging Show, which opens in Japan tomorrow.