Sony E, Neutral Flares - 37mm Image Circle Covers S35 Sensors - Creates 2.35:1 Aspect Ratio in 16:9 - Eye-Tracking Autofocus with STM Motor - T1.8-T22 Aperture - Neutral Anamorphic Flares - Background Separation with Oval Bokeh - 15.7" Minimum Focus Distance - AF/MF Select and AF-Lock Buttons - Compact, Lightweight Form Factor - Sony E-Mount | 77mm Front Filter Thread