Tamron 18-200mm f/3.5-6.3 Di III VC is an All-in-One Zoom for Canon EOS M interchangeable lens cameras. This striking 11X zoom provides greatly enhanced shooting flexibility with APS-C-format Mirror less compact interchangeable-lens cameras, providing equivalent focal lengths from 27mm wide-angle to 300mm super telephoto plus macro focusing in an ultra-compact form factor, Incorporating the latest version of Tamron's acclaimed VC (vibration compensation) system, its advanced optical design and stepping-motor autofocus (AF) drive deliver extraordinary image quality plus seamless AF performance. Specifications: Model Name B011 Focal Length 18-200mm Maximum Aperture F/3.5-6.3 Minimum Aperture F/22-40 Diagonal Angle of View 75 Degree 33'-7 Degree 59' Lens Construction 17 elements, 13 groups Minimum Focus Distance 19.7" Max. Mag. Ratio 1:3.7 (at f = 200mm at 19.7") Filter Diameter Ø62mm Overall Length 3.8" Maximum Diameter Ø2.7" Weight 16.2 oz. Diaphragm Blades 7 Standard Accessory Flower-shaped lens hood Compatible Mount Canon