Samyang 21 mm F1.4 CSC Lens for Sony E Camera

F1.4 aperture creates fantastic image with shallow depth and smooth focus gear ring allows precise adjustment Extra low dispersion lens reduces chromatic aberration effectively to produce excellent image quality UMC technology reduces flare and ghosting as much as possible for clearer brighter images 9 aperture blades create almost a full circle when closed 0.28m minimum focusing distance captures subjects at close range