The Samyang 35mm T1.3 ED AS UMC CS is a standard lens with manual focus designed for mirrorless cameras with APS-C sensor size. The light transmission is developed based on the unique distance from the glass to the sensor in mirrorless cameras to achieve optimal performance. The bright T1.3 aperture ensures fast shutter speeds even in low light conditions, providing images of optimal quality. It will brighten up your daily snapshots. Additionally, it creates an exceptional out-of-focus look by effectively highlighting the main subject. The versatility of the 35mm focal length is also a charm. It liberates your everyday images of landscapes, streets, portraits, and even lunch tables, bringing the essence and joy of manual focusing to life.