35mm Focal Length/ 55mm Filter Diameter/ 11 Elements In 9 Groups/ 0.24x Maximum Magnification Ratio/ 1.8 Maximum Aperture (F)/ 9-Blade Circular Aperture/ Refined Optical Performance/ Customizable Focus Hold Button/ AF/MF Switch/ Linear Response Manual Focus/ Internal Focusing Dust And Moisture Resistant Design/ Black Finish
