The Viltrox AF 33mm f1.4 STM Lens for Fujifilm is a dedicated lens for APS-C crop sensor cameras. Specifically this lens is suitable for all Fujifilm X mount cameras Except for the X-Pro3*. Auto-focus lens offering 33mm 50mm equivalent 35mm focal length coverage a great standard lens for a multitude of photography and videography types. All metal exterior houses 10 element in 9 groups including superior ED and HR elements. A fast f1.4 aperture for great low light performance and a nice de-focused "bokeh" background opportunities. Additionally an integrated STM motor ensures smooth and fast focusing in virtually all instances. Also features a Click-less aperture. Compact and lightweight just 270g makes this a superb regular use lens. Built-in USB connection for software updates.