The Sony FE 135mm F1.8 GM is a fast telephoto prime lens for the company’s full-frame mirrorless system. The lens has XA (extreme aspherical), Super ED and ED elements as well as a Nano AR coating to reduce flare and ghosting. It has 11 aperture blades for ‘exquisite’ bokeh. Four ‘XD’ linear motors drive two separate focus groups for quick and silent AF. The minimum focus distance of the lens is 70cm (27.5in) with a max magnification of 0.25x.
The lens has an aperture ring and a focus ring with linear response. There’s also a focus range limiter, two customizable focus hold buttons and an AF/MF switch. The lens is sealed against dust and moisture and has a fluorine coating to resist fingerprints and water.