The Tokina SZ 33mm F1.2 performs high contrast which is preferable in landscape shooting. The exterior and major parts of the Tokina 33mm F1.2 are made of fine finish metal for a more sophisticated design and confidence in using the lens in different shooting conditions. Manual Focus - control in video with Follow Focus gear. Good in low light conditions for precise focusing. Good for time-lapse, when changing aperture during still shots (light painting) or during video shoots, when exposure adjustment in long tracking scenes is needed. The Tokina 33mm F1.2 incorporates a click-less aperture for precise and smooth exposure adjustment that is helpful in video shooting operations. The Tokina 33mm F1.2 features a depth of field & hyperfocal scale that is necessary for manual lenses. The Tokina 33mm F1.2 performs moderate focus breathing that is valuable for video shooters. Focus throw is measured in degrees and represents the amount of rotation needed to turn a lens' focus ring from its MFD (minimum focus distance) to infinity. The Tokina 33mm F1.2 performs 160 degrees of focus throw that is long enough for precise focusing.