Model Name WCL-X100 Magnification Approx. x0.8 Focal length of X100 with WCL-X100 f=19mm (equivalent to 28mm on a 35mm camera) Lens configuration 4 lenses in 3 groups Weight Approx. 150 g (5.3 oz.) Dimensions ø 55 mm (2.2 in.) x L 37 mm (1.5 in.) Weight Approx. 150 g (5.3 oz.) Filter diameter ø 49mm Accessories Lens caps (front and rear), Lens pouch * The X100 camera firmware must be updated to version1.3.0 or later for optimal aberration control. ** Remove the front ring from the camera and attach the conversion lens to the camera. *** Lens hoods and filters designed specifically for the X100 can be attached to the conversion lens without an adapter ring. *4 The WCL-X100 may cast shadows in pictures taken with the built-in flash. Use an optional external flash approved for the X100.