High Performance and Compact Design Sony's FE 50mm F1.8 "normal" prime lens offers an impressive blend of performance, portability and value. Its superior optical quality and versatile focal range make it an ideal choice for photographers and videographers seeking the advantages of a wide aperture prime lens at an affordable cost. E-Mount Lens/Full-Frame Format Designed for full-frame E-mount mirrorless cameras, the lens can also be used with APS-C models where it delivers a 75mm equivalent focal length. Wide Aperture Range: f/1.8 to f/22 The Lens has a circular aperture and an f/1.8 maximum which allows you to work in low-light conditions, while also offering better control over the depth of field for selective focus imagery. It delivers stunning 'bokeh' allowing the subject to stand out against a muted background. It is the perfect choice for shooting portraits, street and still-life photography. One Aspherical Element The optical design features one aspherical element to reduce spherical aberrations for better clarity and sharpness while compensating for all forms of aberration. The double-gauss configuration improves image quality throughout the aperture range with less field curvature, ensuring true-to-life detail and perspective. DC Autofocus Motor Sony’s FE 50mm f/1.8 has a DC actuator which provides quiet, quick and accurate autofocus performance, making it suitable for both stills and video recording applications. Lightweight and Durable Weighing in at 0.192kg The Sony FE 50 mm f/1.8 lens features a sleek design for easy portability and a metal bayonet for increased durability and trouble-free mounting.