Canon EF-S 55-250mm f/4.0-5.6 IS STM Zoom Lens with Case + Flex Tripod + 3 UV/CPL/ND8 Filters + Hood + Accessory Kit Type: Telephoto Zoom Lens Focal Length: 50 mm Camera Mount: Canon EF Aperture: Maximum: f/4.0 - 5.6 Minimum: f/22 - 22 Compatibility: Canon EOS Diameter: 58 mm Focus Type: Auto Focus Lens Construction: 15 elements in 12 groups