【Well Optical Design】56mm F1.8 is designed with 10elements in 9groups optical structure, using ultra-low dispersion glass elements and high refractive lenses to help reduce purple fringing and improve clarity. Full metal body but light weight, easy and convenient to carry around. | 【STEPPER MOTOR】TTArtisan 56/1.8 lens adopts an "STM+lead screw type"structure, which provides quiet and fast autofocus to help capture the remarkable moments. | 【50mm Perfect Portrait Focal Length】50mm is equal to 84mm in full frame,which is a perfect focal length for portrait photography. Accurate and agile eye detection makes it easy to capture wonderful moments when taking photos,and helps to shoot smooth images when recording videos. | 【F1.8 LARGE APERTURE】F1.8 aperture allows more light to enter the camera，which is beneficial for low-light photography.In addition，the large aperture brings objects in the foreground into focus and blurs the background. | 【Wide Compatibility】TTArtisan 56mm f1.8 is compatible with Fuji Fujifilm XF mount camera like X-A1,X-A10.X-A3,X-A5,X-A7,X-M1,X-H2,X-H2S,X-T10,X-T2,X-T3,X-T4,X-T5,X-T100,X-T30,X-T30II,X-PRO1,X-PRO2,X-E1,X-E2,X-E2S,X-100V,X-100V IV and so on.