B015J8T774 Samyang 21 mm T1.5 VCSC Lens for Sony E Camera

T1.5 aperture creates fantastic image with shallow depth and smooth uncoupled aperture and focus rings allow 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