Sony E-Mount lens - 20mm f/2.8

The filter size is 49mm.

No, this lens does not have built-in image stabilization. You may need to rely on the camera's image stabilization feature.

Yes, the smooth autofocus and wide-angle perspective make it great for video recording.

This lens is excellent for landscapes, street photography, and interior shots due to its wide-angle and compact design.

The closest focusing distance is 0.2 meters (0.66 feet).

The angle of view is 70 degrees.

The maximum aperture is f/2.8.

The lens structure is made of 6 elements in 6 groups.

Ensure the lens is correctly mounted on the camera and that the focus mode is set to autofocus. Clean the lens contacts on both the lens and camera body.

Ensure the subject is in focus. Check your aperture setting; a wider aperture (smaller f-number) can result in a shallower depth of field. Consider using a tripod in low light to minimize camera shake.

Distortion is inherent in wide-angle lenses. Try to shoot with the lens level or correct it in post-processing if it bothers you.