Nikon Nikkor Z 28-400mm f/4-8 VR Lens - Nikon

The filter size is 77mm.

Yes, it has Vibration Reduction (VR) for image stabilization.

While versatile, the f/4-8 maximum aperture may limit low-light performance. Consider using higher ISO settings or a tripod.

This lens is designed for Nikon Z series mirrorless cameras.

The closest focusing distance is 1.2 meters.

No, a lens hood is not included.

Use a soft, lint-free cloth to gently wipe the lens surface. Avoid using harsh chemicals or excessive pressure.

The warranty information can be found on Nikon's website or in the documentation that came with your lens.

Ensure the camera is set to autofocus mode and that the subject has enough contrast. Clean the lens contacts and try again.

Check your shutter speed, ISO, and aperture settings. Ensure the lens is properly focused and that Vibration Reduction is enabled.

Make sure the lens is securely attached to the camera. Clean the lens contacts and camera contacts. Check for any firmware updates for your camera.

Avoid forcing the zoom ring. It may need professional cleaning or service. Ensure nothing is obstructing the zoom mechanism.