Sigma 100-400mm or 150-600mm: Which Should You Buy?Matthew GoreSeptember 10, 2018About a year and a half ago, I bought the Sigma 150-600mm f/5-6.3 Contemporary lens. I don't photograph wildlife very often these days, but I wanted a lens hand... Read More
Lens Test: Sigma 24-70 f/2.8 ART vs Canon 24-70 f/2.8L IIMatthew GoreSeptember 3, 2018Taken with the Sigma 24-70 f/2.8 ART lens at Discovery Park, Seattle.Over the past several years, we've been very impressed with the optics in Sigma's ... Read More
SIGMA: Two New Lenses, 9 For Sony E-MountMatthew GoreFebruary 26, 2018Sigma hit us with two big announcements today (and a small one): first, the development of a 105mm f/1.4 ART series lens and a 70mm f/2.8 Macro ART lens, and se... Read More
Sigma Announces 14-24mm f/2.8 DG HSM Art LensMatthew GoreFebruary 9, 2018This evening Sigma announced a new member of their remarkable ART lens series: the 14-24 f/2.8 DG HSM ART lens for Canon, Nikon, and Sigma mounts. The new lens ... Read More
Announcements for PhotoPlus: Sony A7R III, Sigma 16mm f/1.4 C, MoreMatthew GoreOctober 25, 2017With the PhotoPlus Expo opening tomorrow, the first wave of press releases has rolled in and includes a new Sony A7R III and a 16mm f/1.4 Contemporary line lens... Read More
Lens Comparison: Tamron 35mm f/1.8 VC vs. Sigma 35mm f/1.4 ARTMatthew GoreOctober 22, 2017In a tight competition, the Sigma was sometimes sharper, and the Tamron's chromatic aberration was a concern. Stabilization and weather sealing were important considerations in Tamron's favor. ... Read More
Ospreys and Seahawks: A Cursory Review of the Sigma 150-600 C LensMatthew GoreAugust 18, 2017Though my opinion is still tentative, I found the optics of the Sigma 150-600 f/5-6.3 C to be nice and sharp, the autofocus to be accurate but slow, and the image stabilization to be somewhat disappointing.... Read More
Sigma Announces Four New Lenses: 24-70 f/2.8 ART, 135mm f/1.8 ART, 14mm f/1.8 ART, & 100-400 f/5-6.3 CMatthew GoreFebruary 21, 2017Tonight Sigma announced four new lenses for full-frame cameras, including an exciting new 24-70mm f/2.8 OS ART, 135mm f/1.8 ART, 14mm f/1.8 ART, and a lone "Co... Read More
Sigma Announces 50-100 f/1.8 DC Art, and 30mm f/1.4 DN ContemporaryMatthew GoreFebruary 23, 2016That's not a typo. This lens has a wide, f/1.8 aperture available throughout the entire zoom range.... Read More
Sigma Announces New ART Series Lens: 20mm f/1.4 DG HSMMatthew GoreOctober 16, 2015This morning, Sigma announced the latest addition to their "ART" series of lenses: the 20mm f/1.4 DG HSM. At f/1.4, the maximum aperture of this lens sets a new... Read More
QUIZ: Which 50mm Lens Shot This?Matthew GoreJuly 21, 2015Over the past month, I've published a couple of videos about differences in image quality produced by three 50mm lenses: the Canon 50mm f/1.4, the Canon 50mm f/... Read More
SIGMA 24-35mm f/2 DG HSM ART Series Lens AnnouncedMatthew GoreJune 19, 2015The SIGMA 24-35mm f/2 DG HSM ART Series lens, officially announced this evening, is now the largest aperture zoom lens in production for full-frame SLRs. Like t... Read More
SIGMA 24-35mm f/2 DG HSM ART Series Lens: Leaked PhotosMatthew GoreJune 18, 2015The Japanese site "digicame-info.com" leaked two images of the soon-to-be-released Sigma 24-35mm f/2 ART series lens. Assuming that this is not some kind of a s... Read More
Lens Comparison: Sigma 50mm f/1.4 ART vs Canon 50mm f/1.2LMatthew GoreMay 12, 2015All of Sigma's new "Art" series lenses have been impressive, as we've already seen in my comparison of the 35mm f/1.4 Art series lens, and the Sigma 50mm f/1.4 ... Read More
Sigma Announces 24mm f/1.4 DG “Art” Series LensMatthew GoreFebruary 10, 2015Adding to its list of first class "Art" series lenses, Sigma announced a new 24mm f/1.4 DG "Art" series lens this evening. Sigma's "Art" series lenses have attr... Read More
More CES Announcements: Nikon D3300, Nikon D4sMatthew GoreJanuary 7, 2014 Nikon D3300 Announced at CES Last evening, Nikon announced the latest incremental release of their entry level SLR, the D3300, and a refreshed kit lens for i... Read More
CES Announcements: New Sigma 50mm f/1.4 “Art” Series, Fuji XF 56mm f/1.2 RMatthew GoreJanuary 6, 2014CES Announcements The 2014 Consumer Electronics Show (CES) in 'Vegas is upon us, and with it comes an interesting array of new product announcements. Canon has... Read More
Sigma Announces New 24-105mm f/4 “Art” Series LensMatthew GoreOctober 14, 2013Today the Sigma Photo corporation announced an important new "Art" Series lens for full-frame SLRs: the Sigma 24-105mm F4 DG OS HSM. The Canon variant of this l... Read More
