Canon RF 24-50mm F/4.5-6.3 IS STM

The Canon RF 24-50mm F/4.5-6.3 IS STM is a compact zoom for Canon RF full-frame cameras. Its 24-50mm range runs from wide angle to a normal view. That spread suits travel, street scenes, interiors, and family photography. Canon released this lens in 2023, and it remains in production today.

Its clear priority is low weight over reach and speed. The zoom range stays short, and the maximum aperture drops to f/6.3 at the long end. Photographers who pack light gain a very small lens. Photographers who need tighter framing or brighter apertures will not find them here.

This zoom weighs 7.4 oz (210 g). It measures about 2.74 in (69.6 mm) across and 2.28 in (58 mm) long, so it handles like a small prime lens. A screw-in filter must match its 58mm front thread, so check any filters already owned. The light weight suits long walking days and one-camera travel.

The 24mm end frames wide subjects such as interiors, architecture, and landscapes. It also fits groups of people in tight rooms. At 50mm, the view suits portraits, street scenes, and everyday details. The zoom stops at 50mm, so tighter framing needs a step closer or a crop.

The maximum aperture runs from f/4.5 at 24mm to f/6.3 at 50mm. That range is limited, so the lens works best in daylight or well-lit rooms. The f/4.5 wide end is brighter, which helps in dim interiors. Moving subjects indoors will often need raised ISO settings. Background blur at 50mm stays modest, so portraits keep much of their setting in focus.

Close focusing at 1 ft (30 cm) suits near subjects such as food, flowers, or tabletop details. Focusing is internal, so the barrel does not extend while it focuses. This flexibility suits travel shooting, where food stalls and shop displays appear often.

The wide 24mm setting also helps handheld video, because small camera movements show less in the frame. Its optics score is 51.

Image stabilization helps steady handheld frames, and it permits slower shutter speeds indoors or at dusk. It supports static subjects such as interiors, evening streets, and product displays. Stabilization also steadies the framing while composing, which helps at 50mm where small movements show more.

The rest of the feature list is thin. There is no weather sealing, so keep the lens sheltered in rain or dust. There is no fluorine coating on the front glass, so cleaning marks takes more care. A zoom lock is also absent, so nothing holds the barrel at its set length. The features score is 25.

The optical path uses 8 elements in 8 groups, including 2 aspherical elements. Aspherical surfaces have specially shaped profiles that help reduce distortion and spherical aberration, faults that bend straight lines and soften detail. That design role matters for the architecture and interior shots this lens invites. The construction score is 38.