The Sigma 24-105mm F4 DG OS HSM ($899) is a standard zoom lens for full-frame cameras. Sigma sells it in Canon, Nikon, Sigma, and Sony mounts, and the lens is eligible for the company's mount ...

Sigma is a company that makes aftermarket lenses for DSLR cameras and just about every manufacturer out there. The company also makes a number of other accessories such as flashes and lots more. Sigma ...

Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 14 years, which has given me a front row seat for the changeover from DSLRs to mirrorless cameras, ...

Sigma is a company that makes lenses for just about every DSLR camera out there. The company also makes its own cameras as well. Sigma has announced that its latest Art lens will launch next month.

The new Sigma 24-105mm F4 DG OS HSM offers a versatile focal range whilst being tack-sharp from 24mm to 80mm, particularly in the centre of the frame. Sharpness at 105mm isn't quite as good, or at the ...

The Sigma 24-105mm ƒ/4 DG OS HSM “A” is a high-performance, full-frame, Art-series lens with a constant ƒ/4 aperture and Optical Stabilizer I.S. system, and competes directly against the Canon ...