The Contax 35mm Planar G is a 2nd generation Contax G system lens originally introduced alongside the G2 body, it's also useable on G1 bodies that have been modified to adjust the finder correctly. The 35mm focal length offers a moderately wide field of view that many photographers choose as a primary walk-around lens often opting for it's more encompassing field of view over Contax's other Planar G design, the normal 45mm f/2 G. The 35mm G produces excellent sharpness so many photographers reason that they can crop the image some if needed.