Fast f/1.8 aperture enables smooth Bokeh, sharper shots in low light and a bright viewfinder image
Compatible with entry level digital SLRs that do not have a built in autofocus motor
SWM (Silent Wave Motor) for quiet and accurate autofocus
Two focus modes - M/A (manual-priority autofocus) and M (manual focus)
Maximum angle of view for dx-format is 18 degree 50 inch. Maximum angle of view for fx-format is 28 degree 30 inch