Meet the new Sigma 20mm f/2 DG DN prime lens for full-frame mirrorless L- and E-mount cameras. It’s the seventh lens in the brand’s “I” series of lightweight, compact, high-performance primes, and ...

The 20mm F2 DG DN Contemporary looks upscale on any compatible camera you may own. Its aluminum barrel features a matte black finish, while a glossy accent ring sits between the aperture and focus ...

Looking at the handling qualities, the fast (bright) aperture and the performance level, the price looks pretty fair. For more options have a look at our lens top lists which feature optics we've ...

The Sigma 20mm F2 DG DN is a a super-sharp, very well built, fast wide-angle prime lens that is pretty affordable, but ultimately it suffers from some significant image quality issues when compared to ...