Sigma Art Lens

It is excellent for both. The lens features a high-speed, quiet stepping motor designed specifically to handle the demands of video autofocus without introducing distracting mechanical noise.

Because of the ultra-wide focal length and the bulbous front element, standard screw-on filters cannot be attached to the front. However, the lens includes a rear filter holder that allows you to use creative sheet filters.

The lens is highly capable in high-contrast situations. It utilizes Sigma's Nano Porous Coating, which is specifically engineered to minimize flare and ghosting, ensuring your images remain clear even when strong light sources are in the frame.

Yes, the lens features a dust and splash-resistant structure. While it is not fully waterproof, it is built to withstand challenging environmental conditions, making it a reliable choice for landscape and adventure photographers.

The AFL (Autofocus Lock) button is customizable. You can assign it to various functions through your camera's menu, allowing you to quickly access settings like focus lock, eye-AF, or other frequently used features without taking your eye off the viewfinder.

While this lens is designed for full-frame mirrorless systems, it can be used on crop-sensor (APS-C) bodies. Keep in mind that the effective focal length will be wider than the stated range due to the crop factor.