A lens in the purchase of which there can be no doubt if you decide to change your standard zoom to a fixed one. He is universal. You can shoot portraits, landscapes, subjects, etc. Due to the large aperture, the shutter speed is shortened, from here there is less movement and the pictures will be sharp. The fact that the lens often misses, then at an open aperture is not surprising because the depth of field is very small, and your slightest movement relative to the subject will lead to a shift in the focus point. the picture will be blurry. Photo example -