The Schneider Kreuznach 35mm LS f/3.5 is an ultra wide lens designed for Phase One medium format cameras that is perfect for landscape and architecture photography. It resembles an 22mm on classic 35mm photography. The lens is very sharp and has almost no distortion. Thanks to the leaf shutter there is little distortion and it is possible to achieve a flash sync of 1/1600. 

Furthermore, the lens is composed of 11 elements in 8 groups, and has a minimum focusing distance of 50 cm. 

The dimensions of the lens are 111 x 119 mm and it weighs 1370g.