Sony FE 50mm F1.2 GM Lens

The filter size is 72mm.

No, the Sony FE 50mm F1.2 GM does not have built-in image stabilization. It relies on the camera's in-body image stabilization (IBIS) if your camera has it.

Yes, you can. However, the focal length will be equivalent to approximately 75mm due to the crop factor.

The closest focusing distance is 0.4 meters (1.32 feet).

A round shape, bayonet type lens hood is included with the lens.

The lens has 11 aperture blades for a smooth, circular bokeh.

The maximum magnification ratio is 0.17x.

Ensure the camera and lens are set to autofocus mode. Check that the lens is properly mounted and the focus mode switch on the lens is set to AF.

Check your focus settings and ensure the subject is in focus. Increase the aperture (higher f-number) to increase depth of field. Consider using a tripod for optimal sharpness, especially in low light.

Ensure the lens is clean and free from smudges. Check for camera shake and use a faster shutter speed or a tripod.

Try a different autofocus mode (e.g., Wide, Zone, Flexible Spot). Make sure there are no obstructions in the scene that might be interfering with autofocus.