• EXCELLENT IMAGE QUALITY!!50mm F2 lens uses 6 elements in 5 groups to restore picture quality better. Not only is the image clarity good, but also the resolution is excellent • F2.0 Large Aperture!The F2.0 has a great large aperture that allows for enough light input. Process pure, clear photos even in dark areas with high resolution, more visible detail, beautiful background blur and superior image quality. Detail is 100% enlarged Excellent prime lens for portraits and night photography • Dreamy Blur Effect 👍 This is a standard large aperture lens with a good blurring effect, a aperture gear is reserved and the maximum aperture is approximately F1.10. When you shoot at night, you can get a dreamy blurring effect with full frame or APS-C Keh. It's it! Suitable for portrait, street, food, night scene and so on • With Filter Slot!👍 Full Frame Manual Prime Focus Lens with Filter Slot. All-metal body, multi-coated Filter slots can also be equipped with UV, ND, CPL and other filters, magnifying and wide angle lenses. Perfect combination of outdoor durability and portability • WIDE COMPATIBILITY!Perfect lens for beginners and fans who love manual lenses and vintage lenses. Widely compatible with Leica/Panasonic/Sigma L-Mount Series FP, S5, S1, S1R, S1H, SSL, TL2