Sony has officially announced the much-anticipated and long-rumored FE 35mm f/1.8 lens for its full-frame mirrorless cameras. The lightweight new lens—which Sony claims “sets a new standard for portability”—will give Sony shooters an affordable, if slightly slower, alternative to the popular Sony Distagon T* FE 35mm f/1.4 ZA. Sony’s focus with this release seems to be weight and portability. At just 280g light and 77mm long, “the compact dimensions and light weight of this full-frame, large-aperture prime lens provide mobility…