SIRUI Sniper series lenses are the most budgetfriendly F12 AF lens in the market Consisting of 23mm 33mm and 56mm it is a fusion of speed precision and artistic expression for mirrorless cameras Swift Silent AutoFocus Equipped with STM stepping focus motors the autofocus system of the SIRUI Sniper lens supporting eye AF tracking locks onto subjects with unerring accuracy and striking sharpness Minimal focus breathing and strictly controlled aberration allow focusing on the subject from beginning to end ED glass and high refractive index glass are added to reduce lens size and meanwhile provide outstanding optical performance with well controlled flare and ghost Appealing Dreamy Look With vibrant expressions of your subjects the lens adds an appealing and artistic vibe to your footage without missing a beat The Sniper series lenses share a uniform color tone for consistent storytelling Premium lens Body The strong ceramic coating body makes it sturdy and portable in hand It helps to protect inner optical elements while the minimum weight of each single lens is around only 380g creating a new era of lightweight fast aperture lens F12 Large Aperture Featuring large F12 aperture this sniper lens is perfect for lowlight filming Filming wide open at F12 the lens allows for a decent light gathering even in low light condition Filming at F18 it ensuring your images are clear and vibrant with edgetoedge sharpness and contrast Model SIRUI 23mm F12 Focus Length 23mm Frame APSCS35 Aperture F12F16 Lens Structure 12 elements in 11 groups Aperture Blade 11 Minimum Focus Distance 03m Filter Spec M58075 Rotation Angle of the Focus Ring 360 Max Diametermminches 79311 Diameter of the Focus Ringmminches 776306 Lengthmminches 92236