Sigma 28mm f/1.4 DG HSM Art Lens for Sony E is ideal for photography enthusiasts and professionals alike because of its Artistic Photography Applications, Bright f/1.4 maximum aperture & 44.8 mm equivalent focal length! Sigma 28mm f/1.4 DG HSM Art Lens for Sony E possesses a bright f/1.4 maximum aperture that allows crisp imagery in difficult lighting conditions. Further, it provides improved control over the depth of field that facilitates subject isolation and enables working with selective focus techniques. Additionally, the constant f/1.4 maximum aperture allows consistent performance even in the full zoom range. Our Take on the Sigma 28mm f/1.4 DG HSM Art Lens for Sony E: The lens is a part of the Art line within Sigma's Global Vision series, facilitating notable optical performance ideally suited for creative and artistic photography applications. The design comes with two FLD, three SLD, and three aspherical elements that reduce chromatic and spherical aberrations and limit distortion. The Super Multi-Layer Coating suppresses flare and ghosting and renders higher contrast and color fidelity in strong lighting conditions and harsh climates. The HSM (Hyper Sonic Motor) outputs quick and quiet autofocus. The HSM even allows full-time manual focus override. Further, specialized electromagnetic aperture enables the user to gain greater exposure control stability that is very useful with fast continuous shooting rates. The lens is appropriate for full-frame Sony E-mount mirrorless cameras, it is compatible with APS-C models also. The lens provides 44.8 mm equivalent focal length in APS-C Camera models. Additionally, brass bayonet mount provides rigidity and mounting precision. The front lens possesses a water and oil-repellent coating. Further, a rubber sealing incorporated in the mount design makes the lens dust- and splash-resistant. TOP 10 KEY FEATURES: Build Quality: Dust and splash proof structure Lens Construction: 17 Elements in 12 Groups Angle of View: 75