The Sigma 35mm f/1.4 DG HSM is a prime lens designed for full-frame cameras, offering a versatile focal length ideal for various photography styles, including portraits and landscapes. With a maximum aperture of f/1.4, it allows for excellent low-light performance and beautiful background blur, enhancing the subject's focus. This lens features a Hyper Sonic Motor (HSM) for fast and quiet autofocus, making it suitable for both still photography and video work. Its robust construction includes weather sealing, ensuring durability in different shooting conditions, while the optical design minimizes distortion and chromatic aberration for sharp, high-quality images.