Retro exquisite design,336g weighs only,compact and portable. Use the same style multiple thread which used in high-end lenses. F1.2 large aperture,strong background blur ability,highlight the subject,it is helpful to reduce the noise of the picture and improve the picture quality when shooting at night. 50mm focal length equals to full-frame 75mm,the portrait is much natural and stereoscopical. The perspective close to the human eye which makes the works more full of life smell 0.5m minimum focusing distance, showing more details. The equivalent focus length of full frame is about 75mm--Professional assistant for your Portrait photography. APS-C 50mm F1.2 adopts the optical structure of 7 elements in 5 groups. The minimum focusing distance is only 0.5m.