With an 11 mm (35mm full-frame equivalent: 16.5 mm) focal length for dynamic ultra-wide images and a large F1.8 max. aperture for deep bokeh, this lens weighs just 181 g (6.4 oz.). Featuring an especially sleek and lightweight design, the Sony E 11mm f/1.8 is also among the widest APS-C lenses, offering a 16.5mm equivalent... The Sony E 11mm F1.8 is a super-portable, APS-C format, wide-angle lens for stills & video. It features an F1.8 aperture for bokeh, plus two linear motors for fast, precise AF that supports both stills and movies. It's perfect for Landscapes, architecture, interiors and vlogging. It is a great match for APS-C cameras, providing easy handling that is great for long handheld or grip-mounted shooting.