Canon EF 24-105mm f/4L IS II USM Lens

Key Features
EF-Mount Lens/Full-Frame Format
Aperture Range: f/4 to f/22
Four Aspherical Elements
Air Sphere and Fluorine Coatings
Ring-Type Ultrasonic Motor AF System
Optical Image Stabilizer
Weather-Sealed Construction
Rounded 10-Blade Diaphragm
An advanced one-lens solution, the  EF 24-105mm f/4L IS II USM  is a  Canon  L-series zoom covering wide-angle to short-telephoto focal lengths and featuring a constant f/4 maximum aperture.