Sigma DC DN Lens for Canon RF Standard Mirrorless Contemporary 18-50mm F2.8 Mount, APS-C Cameras,

Standard zoom interchangeable lens for mirrorless APS-C size cameras Lens construction: 13 elements in 10 groups (1 SLD, 3 aspherical lenses) Number of aperture blades: 7 (circular aperture) Minimum focusing distance: 12.1(W)-30(T)cm Maximum shooting magnification: 1:2.8(W)-1:5(T)