Two AA (advanced aspherical) elements and three ED (Extra-low Dispersion) glass elements make it great for landscapes and starscapes
FE 20mm F1.8 G. A large-aperture ultra-wide-angle prime lens for stills and movies
Compact and light weight making it ideal to mount on a gimbal or grip for vlogging or video.
Fast, precise auto focus with two XD Linear motors inside.
Excellent close-up performance with a minimum focusing distance of just 19cm (18cm in manual focus)
Highly recommended for APS-C as well as full-frame users, 30mm equivalent focal length on APS-C bodies