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

The Canon EF 24-105mm f/4L IS USM is a versatile L-series standard zoom lens that pairs a practical everyday focal range with professional build quality and image stabilization. It has served as a longtime staple kit lens option for Canon’s full-frame bodies, appealing to travel, event, wedding, and general-purpose photographers who want L-series optical performance and durability across a broad, useful focal range.

Optically, the lens is built from 18 elements in 13 groups and covers the 24-105mm focal range with a constant f/4 maximum aperture throughout the zoom range, simplifying exposure calculations compared to variable-aperture lenses. An 8-blade rounded aperture diaphragm contributes to smooth background rendering when shooting at wider apertures, and the lens delivers solid sharpness across its zoom range, a hallmark of Canon’s L-series optical standards.

Canon’s Image Stabilizer is built into the lens, correcting for camera shake and helping photographers achieve sharper handheld results at slower shutter speeds than would otherwise be possible, particularly useful across the moderate telephoto end of the zoom range. Autofocus is handled by a ring-type USM motor, delivering fast, quiet focusing along with full-time manual focus override for fine-tuning focus without switching out of AF mode.

As an L-series lens, the EF 24-105mm f/4L IS USM features weather-resistant construction and a durable build suited to professional use in varied outdoor conditions. It has a minimum focusing distance of approximately 0.45m, yielding a maximum magnification of about 0.23x, and accepts 77mm filters, keeping it consistent with other L-series zooms for photographers who want to share filters across their kit. The lens is compatible with both full-frame and APS-C Canon EF-mount cameras, delivering a standard field of view on full-frame bodies and an effective telephoto-leaning range on APS-C bodies.

Key Features
– 24-105mm standard zoom for Canon EF mount
– Constant f/4 maximum aperture
– L-series build with weather-resistant construction
– Built-in Image Stabilizer
– Ring-type USM autofocus motor with full-time manual focus override
– 18 elements in 13 groups optical construction
– 8-blade rounded aperture diaphragm
– Minimum focusing distance of approximately 0.45m
– Maximum magnification of approximately 0.23x
– 77mm filter thread
– Compatible with full-frame and APS-C Canon EF-mount cameras