Sony FE 70-200mm f/4.0 G OSSA workhorse lens for events, sports, and portraiture, the Sony FE 70 200mm f 4 G OSS is a compact telephoto zoom featuring a constant f 4 maximum aperture, sophisticated G series optics, and useful AF and OSS. The smaller size, compared to an f 2. 8 version, makes the lens a more portable option that is well suited to all day shoots and other situations where a more nimble, stabilized lens excels. Two extra low dispersion glass elements and one Super