Youngnuo YN50mm f / 1.8 prime lens is a standard designed to work with full-frame cameras with Nikon F mount fifty Yongnuo is for people looking for bright portrait lens at an affordable price.
The field of view lens YN50mm f / 1 , 8 to 46 degrees. On the optical design consists of 6 elements arranged in five groups. The lens cooperates with the matrices full-frame, it will also work with cameras with APS-C. Seven-stop in conjunction with the brightness of f / 1.8 provides a low depth of focus and blur unique. YN 50 mm has a built autofocus, the minimum focusing distance is 0.45 meters. On the housing YN 50 mm switch is MF / AF and manual focus ring.