The sony fe 28 135mm f4 g pz oss is a wide angle to telephoto zoom lens for use on sonys full frame and aps c e mount mirrorless cameras designed for serious still shooters and film makers the power zoom lens is equipped with sonys new smooth motion optics design which addresses three issues of prime concern for movie makers change in angle of view breathing while focusing focus shifts during zoom and movement of the optical axis during zoom the lens also has three separate contro