A CLASSIC REIMAGINED Category: Lenses, Wide Angle Lenses, DG DN , I SeriesClass: ContemporaryTypical Photography: Creative, Travel, Landscape, Wedding & Events, Portrait, Family, Specialty 10 elements in 9 groups, with 1 SLD glass and 3 aspherical lensesCompatible with high-speed autofocusAuto Focus Stepping MotorCompatible with lens-based optical correcti...