Sigma 28-105mm F2.8 DG DN Art Lens - Sony E-mount

The filter size for this lens is 82mm.

Yes, the lens features a dust- and splash-resistant structure.

No, this lens does not have built-in image stabilization. Image stabilization will depend on your camera body if it is available.

While the lens can be mounted, it is designed for full-frame sensors, and you will experience a crop factor.

The minimum focusing distance is 40cm.

Yes, the lens has a de-clickable aperture ring, which is useful for video recording.

The lens, lens hood, front and rear lens caps are usually included.

Ensure the lens is set to AF, that the subject is within the focusing range, and that the lens and camera contacts are clean.

Check the aperture setting, ensure correct focus, and verify that the shutter speed is fast enough to avoid camera shake. Consider using a tripod.

Ensure you have enough light, choose an appropriate focus mode for your subject, and clean the lens contacts.

Ensure the aperture ring is not locked (if applicable) and check the camera settings for aperture control.