No, it is a manual focus lens. However, it has electronic contacts that communicate with Sony cameras to enable focus peaking, magnification, and EXIF data recording.
Yes, it is highly sought after for video due to its 'De-click' feature, which allows the aperture ring to move silently and smoothly without tactile clicks.
The lens uses a standard 52mm front filter thread, making it compatible with a wide range of circular polarizers and ND filters.
It features a blue weather-sealing gasket at the mount to protect against dust and moisture, though the entire lens is not rated as fully waterproof.