Canon EF 24-105mm f/3.5-5.6 IS STM Lens Review

Canon EF 24-105mm f/3.5-5.6 IS STM Handling and Features

This lens is constructed from high-quality plastics, complimented by a metal lens mount, as most mid-range lenses from Canon are. It's quite lightweight for a full-frame compatible lens, tipping the scales at 525g. As a result, it makes balances well with the Canon EOS 5D MkIII body used for testing, and will be equally at home on smaller, more compact Canon DSLRs.

Autofocus is very swift and precise and virtually silent. Unlike many of Canon's USM lenses, full-time manual focus override is not possible and manual focusing is performed by the focusing motor. Manual adjustments can be made in single focus mode once the lens has locked onto a target though. Unlike many of Canon's other STM lenses, the focus ring is nicely damped, providing enough resistance to make applying fine adjustments a pleasure.

Focusing is performed internally, so the 77mm filter thread doesn't rotate, making this lens ideal for use with polarising and graduated filters.

Sharp hand held images are possible around half the time at an impressive 1/8sec at 105mm, which is roughly four stops slower than the usual rule of thumb for sharp images would allow.

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