The FE 100-400mm delivers excellent image quality, a pro-grade build, fast autofocus, and strong image stabilization. There's a little distortion and some corner dimness to contend with, though both are easily removed with some light editing.
Solid telephoto zoom range; In-lens stabilization; Adjustable zoom tension; Focus hold and limit functions; Compact, lightweight design; Sturdy, dust- and moisture-resistant construction; Removable tripod foot; Teleconverter compatibility
Not the brightest aperture; Extends when zoomed; Dim corners when shot wide open; Pricier than similar lenses for other systems