Fujifilm XF16-50mm F2.8-4.8 R LM WR Lens - Fujifilm

The filter size is 58mm.

Yes, the fast, silent autofocus and image stabilization make it well-suited for video recording.

No, this lens does not have built-in image stabilization, but some Fujifilm cameras offer in-body image stabilization.

The closest focusing distance is 0.24 meters (9.44 inches).

Yes, the lens features a weather-resistant design.

The maximum aperture is f/2.8 at the 16mm end and f/4.8 at the 50mm end.

The equivalent focal length is 24-76mm.

Ensure the focus mode switch on the camera body is set to AF (Autofocus). Check that the lens is properly attached and the camera's autofocus settings are configured correctly. Clean the lens contacts.

Make sure your subject is in focus. Try using a faster shutter speed to minimize motion blur. Check for any obstructions on the lens surface.

Ensure the lens is properly attached and the camera firmware is up to date. Clean the lens contacts and try again. If the issue persists, consult a Fujifilm service center.

If the zoom ring feels stiff, avoid forcing it. Ensure that no debris or foreign objects are lodged in the zoom mechanism. If the issue persists, contact Fujifilm support.