Versatile Canon EF standard zoom with USM, wider 24-85mm range and decent optics at budget prices.
The Canon EF 24-85mm f/3.5-4.5 USM is a versatile full-frame standard zoom that provides an extended range from wide-angle through to short telephoto, making it a practical all-purpose lens for Canon EOS cameras. The USM (Ultrasonic Motor) provides fast, quiet autofocus with full-time manual focus override.
The 24-85mm range is more useful than the standard 28-80mm kit zoom, with the wider 24mm end providing noticeably more coverage for landscapes and interiors. Optical quality is good for a consumer-grade zoom, with sharp central performance and reasonable edge quality when stopped down. An aspherical element helps control distortion and aberrations.
Build quality is mid-range Canon with a plastic barrel over a metal mount, providing a balance between weight and durability. The zoom ring is smooth and the compact design keeps the lens manageable on smaller EOS bodies. The USM motor makes this a significant upgrade in focusing speed and silence over cheaper Canon kit zooms.
The Canon EF 24-85mm f/3.5-4.5 USM offers excellent value on the used market as a step up from basic kit lenses. Its wider zoom range, USM focusing, and decent optics make it a practical everyday lens for Canon full-frame and APS-C shooters who want better performance without the size and cost of L-series zooms.