This lens, which is a member of Sigma's Global Vision series' Art line, is made to provide genuinely remarkable optical performance and is best suited for artistic and creative uses. Although the Prime wide-angle lens is made for full-frame Sony E-mount mirrorless cameras, it can also be used with APS-C models, giving it a focal length of 36mm. When employing shallow depth of field techniques, the fast f/1.4 maximum aperture offers more control over the focus position and is ideal for working in low light. An advanced optical structure was used in the design of this lens to provide consistent edge-to-edge illumination, high resolution, and sharpness. Two spherical components, one at the back of the optical design, that adjust for sagittal