The YN 50mm f/1.8S DA DSM lens by Yongnuo is a fixed focal length portrait lens designed for Sony E-mount APS-C mirrorless digital cameras. It features a bright f/1.8 aperture, ideal for low-light conditions, allowing better control over depth of field and subject isolation.

• Designed for APS-C Sony E-mount digital cameras, it provides an equivalent focal length of 75mm.
• Bright f/1.8 aperture facilitates shooting in challenging lighting conditions and contributes to a compact design.
• One low dispersion element limits chromatic aberration and color fringing, ensuring high clarity and color accuracy.
• Nano multi-layer coating has been applied to the lens elements to control flare and ghosting in strong and backlit conditions.
• The Digital Stepping Motor (DSM) autofocus system offers fast, quiet, and precise autofocus performance.
• Seven-blade diaphragm contributes to a smooth bokeh quality.
• The lens's chrome-plated metal mount is durable and precise, ensuring a secure fit with the camera body.
• Built-in USB port for lens firmware upgrades.