Yes, it can be mounted on FX cameras, but the camera will automatically switch to DX-crop mode, resulting in a lower resolution image to avoid heavy vignetting.
No, this lens does not feature VR. However, at such wide focal lengths, camera shake is less noticeable, and a tripod is recommended for long-exposure landscapes.
The lens uses a 77mm filter thread, which is a standard size for professional Nikon wide-angle lenses.
Yes, the 10mm focal length is excellent for handheld vlogging as it provides a very wide field of view, ensuring the subject and background are both visible.