Sony FE 50mm F1.8 Lens

The filter size is 49mm.

No, this lens does not have built-in image stabilization. It relies on the camera's in-body image stabilization (IBIS) if your camera has it.

Yes, this lens is excellent for portraits due to its fast f/1.8 aperture and the ability to create a shallow depth of field.

Yes, this lens is compatible with both full-frame and APS-C Sony E-mount cameras. On an APS-C camera, the 50mm focal length will have a field of view equivalent to approximately 75mm.

The closest focusing distance is 0.45 meters.

The lens structure consists of 6 elements in 5 groups.

Yes, the lens includes a lens hood.

Ensure the subject is in focus. Check your focus settings (autofocus or manual focus) and try again. Clean the lens surface.

Make sure the lens is properly attached to the camera body. Check the camera and lens contacts for any dirt or debris. Try restarting the camera.

Ensure there is enough light for the autofocus system to function properly. Try a different autofocus mode or manually focus the lens.

Vignetting may be noticeable at wider apertures. This is normal. You can correct it in post-processing if it bothers you.