EF-M Mount Lens/APS-C Format EOS M Series Digital Cameras Compatible 44.8 mm (35 mm Equivalent) Standard Lens Maximum Aperture: f/3.5 One UD Element & Two Aspherical Elements STM Stepping AF Motor Hybrid IS Image Stabilization Maximum Magnification: 1.2X Super Macro Setting for 3.7' Min. Focus Built-In Macro Lite LED Retractable Design for Compact Profile