The Sigma 20mm f/1.4 DG HSM Art lens features an optical design comprising 15 elements in 11 groups, including F low-dispersion (FLD) and special low-dispersion (SLD) elements, alongside super ...
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 ...