For sale: Sigma 18-35mm f1.8 lens for Canon One of the most popular lenses known for its quality and sharpness, and it is often used with cinema cameras. One of the most famous and best-selling lenses. It features a constant wide aperture of f1.8 from 18mm to35mm. Suitable for both still images and video. Compatible with Canon APS-C cameras and can also be used with Sony via an adapter . Produces sharp, detailed images across the entire zoom range and all apertures. 1900SAR