Sigma has officially announced the pricing and availability of four APS-C format DC DN prime lenses for Canon's RF mount system. The lenses, part of Sigma’s Contemporary line, include the 16mm f/1.4, 23mm f/1.4, 30mm f/1.4, and 56mm f/1.4, and are designed for photographers and videographers seeking compact, high-performance lenses. These additions expand Sigma’s APS-C lens offerings to six for the RF mount.