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

Key Features for Canon EF 24-105mm F4L IS USM II Lens

• Focal Length: 24-105mm (38.4-168mm equivalent on APS-C cameras)
• Aperture: Constant f/4
• Mount: Canon EF-mount for full-frame and APS-C DSLRs
• Weather Sealing: Weather-resistant design with fluorine coating on front and rear elements

Optical Design

• Elements:
  • Aspherical: Four elements, including one large-diameter double-sided, to reduce distortion and spherical aberrations.
  • Air Sphere Coating (ASC): Applied to suppress flare and ghosting, enhancing contrast and color accuracy.
• Image Stabilization: Four-stop effective IS for reducing camera shake and enabling sharper handheld shots.

Performance

• Autofocus: Ring-type Ultrasonic Motor (USM) with internal focusing for fast, quiet, and accurate focus, plus full-time manual focus override.
• Diaphragm: Rounded ten-blade design for pleasing bokeh and better selective focus.

Advantages

• Versatile Zoom Range: Covers wide-angle to short-telephoto focal lengths, ideal for a variety of shooting scenarios.
• Constant Aperture: Maintains consistent illumination and depth of field throughout the zoom range.
• Durability: Weather-sealed and fluorine-coated for reliable performance in adverse conditions.

The Canon EF 24-105mm f/4L IS II USM is a versatile, high-performance zoom lens that excels in diverse shooting conditions, offering sharpness, color accuracy, and reliable autofocus in a weather-resistant package.
Canon EF 24-105mm F4L IS USM II Lens