The Fujinon GF 20-35mm f/4 R WR is an ultra wide angle zoom lens for the Fujifilm medium format camera system. The lens has a 35mm equivalent range of 16-28mm and features a weatherproof construction (WR) , making the lens extremely suitable for everyday use. Furthermore, the lens has a Linear Motor, allowing you to focus almost silently. The lens is composed of 14 elements in 10 groups and has an aperture of 9 blades. 

Finally, the lens features a minimum focusing distance of 35 cm, weighs only 725g, a filter size of 82mm and its dimensions are 88.5 x 72 mm.