No, this lens does not feature weather-sealing (WR). It is recommended to use it with caution in dusty or wet environments.
No, it does not have built-in Optical Image Stabilization (OIS). It relies on the In-Body Image Stabilization (IBIS) found in cameras like the X-T5 or X-H2.
Yes, the 21mm equivalent focal length is excellent for vlogging as it provides a wide field of view that easily keeps the subject and background in frame.
The focus clutch allows you to instantly switch between autofocus and manual focus by sliding the focus ring, revealing a distance and depth-of-field scale.