The Canon EF 24-105mm f/4L IS II USM Lens is a versatile standard zoom lens designed for professional photographers and advanced amateurs. It offers a wide zoom range of 24mm to 105mm, making it ideal for capturing a variety of subjects, from landscapes to portraits. The constant f/4 aperture provides consistent illumination throughout the zoom range, ensuring even exposure and background blur.   

Key features:

L-series image quality: The lens is part of Canon's prestigious L-series line, known for its exceptional optical performance and build quality.   

Wide zoom range: Covers a versatile range of focal lengths from 24mm wide-angle to 105mm short-telephoto.   

Constant f/4 aperture: Maintains consistent brightness and background blur throughout the zoom range.   

Image stabilization: Helps to reduce camera shake and capture sharper images in low-light conditions.   

Nano USM autofocus: Provides fast and quiet autofocus for both still photography and video recording.

Weather sealing: Protects the lens from dust and moisture, making it suitable for outdoor shooting in challenging conditions.   

Fluorite coating: Reduces flare and ghosting for improved image clarity and contrast.   

One-piece focus barrel: Ensures smooth and precise manual focusing.