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

The Canon RF 24‑105mm f/4L IS USM is a professional‑quality standard zoom lens designed for Canon RF‑mount full‑frame mirrorless cameras, offering a broad and practical focal range from wide‑angle to short telephoto. Its 24–105mm zoom range makes it an exceptionally versatile lens suitable for a wide variety of applications including travel, landscape, portraits, events, street photography, and hybrid photo/video work.

A defining feature of this lens is its constant f/4 maximum aperture, which maintains consistent illumination throughout the entire zoom range. This allows photographers and videographers to work more predictably in varied lighting conditions and to keep exposure steady while zooming.

Optical performance is supported by an advanced design that includes high‑quality lens elements with Super Spectra Coating to reduce flare and ghosting, helping to maintain strong contrast and accurate color in bright and backlit scenarios.

For low‑light and handheld shooting, the lens integrates an Optical Image Stabilizer (IS) capable of providing approximately five stops of shake correction, significantly reducing the effects of camera motion and enabling sharper images at slower shutter speeds.

Autofocus is driven by Canon’s Nano USM motor system, which blends the quick response of a ring USM with the smoothness of STM focusing. This results in fast, quiet, and precise autofocus performance that is well‑suited to both still photography and video capture, with full‑time manual focus override for fine control without switching modes.

The lens also includes a configurable Control Ring on the barrel, allowing photographers to assign commonly used exposure parameters — such as aperture, ISO, or exposure compensation — for intuitive and efficient control in the field.

Canon’s L‑series build quality ensures that the RF 24‑105mm f/4L IS USM is weather‑sealed against dust and moisture, enabling reliable performance in demanding outdoor environments. The lens’s rounded nine‑blade diaphragm contributes to smooth and pleasing out‑of‑focus areas, enhancing the aesthetic quality of images, especially in portrait and subject‑isolation work.

Optically, the zoom covers a useful magnification range up to approximately 0.24×, with a minimum focusing distance of around 0.45 m (1.48 ft), allowing for creative close‑ups without changing lenses. The focal range is ideal for everyday versatility — from wide scenic vistas at 24 mm to tighter portrait and detail shots at 105 mm.

The Canon RF 24‑105mm f/4L IS USM combines broad zoom flexibility, consistent f/4 performance, effective image stabilization, refined autofocus, and robust construction, making it a go‑to standard zoom for photographers and hybrid content creators seeking professional‑level capability in a single, reliable lens.