This F 1.8 large-aperture 16mm ultra-wide-angle prime lens is incredibly compact. Advanced technology achieves breathtaking resolution plus exquisite bokeh even at maximum F 1.8 aperture.; 3 aspherical elements achieve outstanding corner-to-corner resolution all the way up to the lens's maximum F 1.8 aperture. 4 ED glass elements thoroughly suppress color bleeding for outstanding image-wide; Weighs just 19.5 ounces. This is one ultra-wide large-aperture lens you carry around anywhere, reshaping the world with creative new perspectives.; With nine-blade circular aperture mechanism, and optimally managed aberration, this unique ultra-wide lens is capable of creating exquisite background bokeh without unwanted onion-ring artifacts.
; Minimum focus distance is just 0.88 ft, so you can move right in to combine dynamic close-ups with beautiful bokeh in expansive backgrounds.