Canon RF-S 18-45mm f/4.5-6.3 IS STM Lens - A versatile zoom range in a compact package is the promise of the Canon RF-S 18-45mm f/4.5-6.3 IS STM Lens. Made specifically for Canon's APS-C-format R Series mirrorless line, it delivers a wide-angle to short telephoto equivalent zoom range of 29-72mm. Plus, a retractable design makes it ideal for everyday carry where you want to stuff the camera in a bag. RF-S-Mount Lens/APS-C Format 29-72mm (35mm Equivalent) Aperture Range: f/4.5-6.3 to f/32 Two Aspherical Elements Super Spectra Coating STM Stepping AF Motor Optical Image Stabilizer Customizable Control Ring Rounded 7-Blade Diaphragm