Large F1. 8 maximum aperture enables beautiful defocusing effects, angle of View (APS-C Frame) is about 30.4° Maximum magnification is about 0.14x, minimum focusing distance is about 0.45m, maximum diameter and length is about Φ64x58mm, filter diameter is 49mm. Built-in Digital Stepping Motor and 7-blade circular aperture for beautiful defocused bokeh. Compact, lightweight design ideal for Sony e-mount mirrorless cameras. Compatible with Sony E Mount Mirrorless Cameras A7III, A7RIII, A7SII, A7RII, A7II, A9, A7, A7R, A6400, A6500, A6300, A6000, A5100, A5000, etc. Experience exceptional clarity and versatility with the YONGNUO YN50mm F1.8S DA DSM II lens, designed exclusively for Sony E-mount mirrorless cameras. This standard prime lens boasts a fixed focal length of 50mm, making it an ideal everyday companion for both photography and portraiture. Its large maximum aperture of f/1.8 enables beautiful defocusing effects and excellent low-light performance, while the Digital Stepping Motor (DSM) ensures fast, accurate, and quiet autofocus. The lens features a 7-blade circular aperture, creating smooth, attractive bokeh. With a compact and lightweight design, a minimum focusing distance of 0.45m, and a maximum magnification of 0.14x, this lens is suitable for a variety of photographic situations. Compatible with both full-frame and APS-C cameras, the YONGNUO YN50mm F1.8S DA DSM II offers a sleek, durable design for your photographic needs.