CANON 0344B002AA EF 24-105MM IS LENS 0344B002AA. ßLENS FOCAL LENGTH and MAXIMUM APERTURE: 24-105MM F/4;ßLENS CONSTRUCTION: 18 ELEMENTS IN 13 GROUPS;ßFOCUS ADJUSTMENT: INNER FOCUSING SYSTEM WITH FOCUSING CAM;ßCLOSEST FOCUSING DISTANCE: 1.48 FT./0.45M; ZOOM SYSTEM: 5-GROUP HELICAL ZOOM ; FILTER SIZE: 77MM;ßINCLUDES LP1219 CASE and EW-83H LENS HOOD