Short working distance: Capture subjects as close as 4.7 inches from the front of the lens.. Autofocus optimized for video: When tracking your subject with full-time AF, you wont notice mechanical noises or focus breathing.. Versatile wide field of view: Captures nearly the same view as a 35mm full frame lens.. Dust and drip resistant: Designed carefully considering dust and drip-resistant performance with a sealing that prevents dust and water droplets from entering the lens. Though dust and drip-resistance is not guaranteed in all situations or under all conditions.