Canon Ef-S 15-85Mm F/3.5-5.6 Is Usm Lens Compatible With Canon 7D, 7D Mark Ii, 50D, 70D, 77D, 80D, Rebel Xti, Rebel T6I, Rebel T7I. LENS FEATURES: EF-S-Mount Lens/APS-C Format. 24-136mm (35mm Equivalent). Aperture Range: f/3.5 to f/36. One UD and Three Aspherical Elements