Sony introduces FE 20mm F1.8 G - a compact high-performance ultra-wide lens that will cost $900

Sony's newest full-frame E-mount lens is the 20mm F1.8 G, a fast wide-angle (verging on ultra-wide) prime that weighs just 373 g (13.2oz) and measures slightly smaller than the FE 24mm F1.4 GM. Sony claims that two 'advanced aspheric' and three extra-low dispersion elements provide exceptional corner-to-corner sharpness. Nine aperture blades provide circular out-of-focus highlights and smooth bokeh, even as you stop the lens down. An 'XD' linear focus motor offers silent and swift autofocus oper...