Good to know- This ultra-wide prime's got a 104° field of view, making it a perfect match for handheld vlogging and epic landscape shots- Its large 7-blade aperture gives you beautiful bokeh for detail shots or creative portraits- The two linear focus motors take care of smooth subject tracking and cinematic transitions with minimal focus breathing- You can assign a custom function to the focus hold button, making it easier to nail the focus or get the exposure just right- The dust and moisture resistant design with internal focusing means no specks or raindrops will find their way into the optics