Compatible with Fujifilm X mount APS-C frame auto focu mirrorless cameras, such as Fujifilm X Mount Mirrorless Cameras X-S10 X-S20 XT2 XT4 XT5 XT10 XT20 XT30 XT50 X-A2 X30 X70 The classic 33mm portrait lens with a wide aperture of f/1.4, the lens can capture beautiful photos with smooth background blur effect, even in dark environment 33mm lens is a AF STM(stepping motor) auto focus lens, helps to reduce camera shake and helps capture images with less noise Uncompromising Optical Design: The use of 9 groups 12 elements, 1 extra-low dispersion elements,1 high refractive index element, 1 ultra high refractive index element and multi coating suppress chromatic aberration,flaring and ghosting effectively. If you experience autofocus failure, you can upgrade the firmware online. Meike lenses use a Type-C interface, and the latest firmware is available for download from the Meike official website（Real-time updates), only supported on Android devices, not Apple (Mac). Meike 33mm f1.4 lens Breathing effect: zero breathing Aberration Control: Zero Aberration Flare Suppression: Good Ghost Shadow Suppression: Good Dispersion Purple Edge: Excellent (some brown edge in high light ratio) Dark Corner Control: Excellent Resolution: 6K (image quality close to 5514)