Prime lens with high light intensity and STM autofocus motor. Image sensor standard: APS-C. Lens mount: Canon EF-M. Smooth and quiet STM autofocus motor. Beautifully soft bokeh effect. High light intensity of F/1.4 - stunning photos even in suboptimal lighting conditions. Brilliant close focusing distance of 0.4 meters. The Viltrox 33mm F/1.4 prime lens offers not only exceptional product quality but also many additional features. For instance, the lens elements are multi-coated, the lens ring is easy and precise to operate, and the aperture, which provides a beautiful bokeh effect, is incredibly powerful with a maximum opening of F/1.4. The lens glasses effectively prevent ghosting and chromatic aberrations. To get as close to your subject as possible, the lens has a close focusing distance of 0.4 meters. The autofocus operates smoothly and accurately, tracking human eyes precisely and quickly. To update the lens, the integrated USB port can be used.