The fujinon xf50 140mmf28 r lm ois wr has a focal length equivalent to 76 213mm 35mm format equivalent and a constant f28 aperture throughout the range the length of the lens barrel remains constant throughout the entire zoom range and features a weather resistant and dust resistant finish that can also work in temperatures as low as 10degc thanks to a high performance gyro sensor a unique image stabilization algorithm and the bright f28 aperture hand holding is possible in a wider