Canon 4111C005AA

The stabilization is a chart-topper, hitting the 96th percentile, which helps offset the slow f/7.1 aperture. It's a featherweight 395g with a secret weapon: a 0.5x macro mode that's genuinely useful. Just don't expect L-series sharpness, as the optical performance is a clear weak spot.

The STM autofocus is quick and practically silent, landing in the 86th percentile. For stills, it's snappy and accurate in good light, and for video, the focus pulls are smooth with minimal breathing. That's a big deal for a lens in this price bracket. The real magic trick here is the Center Macro Focus feature. At 24mm, you can focus down to about 13cm, achieving a 0.5x magnification ratio. That's not true 1:1 macro, but it's close enough to get some seriously detailed close-ups of flowers, food, or textures without switching lenses. It's a feature we wish more standard zooms would steal.

Sharpness is a mixed bag, which explains that 30th percentile optical score. In the center, it's respectably sharp wide open, especially at the wider end. Stop down to f/8 and things clean up nicely across the frame. But the corners at 24mm are soft, and they don't fully recover. At 105mm and f/7.1, diffraction starts to eat into the detail. This isn't a landscape photographer's dream lens, our data gives it a 56 for that use case. But for portraits, everyday snaps, and product shots where your subject is near the center, it's more than capable. The 7-blade diaphragm produces bokeh that's about average, nothing creamy, but not distractingly busy either.

Stacked against the competition, the Canon's strategy is clear. The Nikon Z 28-400mm f/4-8 VR offers a much wilder zoom range, but it's heavier and its aperture is just as slow. The Tamron 18-300mm for APS-C gives you more reach, but you lose the full-frame advantage. The real competitor is Canon's own RF 24-105mm f/4 L IS USM. That lens is sharper, faster, and weather-sealed, but it's also over twice the price and significantly heavier. This STM version is the pragmatic choice. It sacrifices outright optical quality for portability and a much friendlier price, while adding a macro party trick the L lens can't match. For a travel or everyday lens, the weight savings alone might be the deciding factor.

This is where the lens makes its strongest case. For a price hovering around $419 to $460, you're getting a stabilized, full-frame standard zoom with a genuinely useful macro trick. The price-to-performance ratio is excellent for a budget-conscious RF shooter. You'd pay significantly more for the constant f/4 L version, and for many people, the extra stops aren't worth the jump in cost and weight. If you're building an RF kit on a budget, this lens is a no-brainer as a first upgrade from a kit lens, or even as the only zoom you take on a trip.

The Canon RF 24-105mm f/4-7.1 IS STM is a lens that makes a lot of sense on paper, and mostly delivers in the real world. It scores an 81.4 overall in our database, which is solid, but the real story is in the details. The stabilization is a standout, landing in the 96th percentile. That means you're getting up to 5 stops of shake correction, which is a lifesaver when the light dips and that f/7.1 aperture starts to feel a little tight. The macro performance is another surprise, hitting the 90th percentile with a 1:2 magnification that lets you get ridiculously close to your subject. At 395g, it's also one of the lightest ways to get this zoom range on a full-frame RF body.

But you can't talk about this lens without addressing the elephant in the room: the variable f/4-7.1 aperture. It's the trade-off for the compact size and friendly price tag. Our optical score sits at a disappointing 30th percentile, which tells you this isn't the lens for pixel-peeping corner sharpness. It's a daylight walkaround lens first, and a low-light hero a distant second. If you understand that compromise, you'll find a versatile, lightweight zoom that punches above its weight for macro and video work, especially on bodies like the EOS RP where balance is key.

If you frequently shoot in dimly lit venues, like weddings or indoor events, this lens will frustrate you. The f/7.1 aperture at the long end is a real limitation, forcing you to crank the ISO. Landscape photographers who demand edge-to-edge sharpness should also look elsewhere, as the soft corners and 30th percentile optical score won't cut it for large, detailed prints. You'd be much happier saving up for the RF 24-105mm f/4 L IS USM or pairing a wide prime with a telephoto zoom.

The Canon RF 24-105mm f/4-7.1 IS STM is a lens that knows exactly what it is and doesn't apologize for it. It's not a low-light monster or a corner-sharpness champion. It's a lightweight, versatile, and surprisingly capable macro-capable zoom that's perfectly matched to Canon's smaller full-frame bodies. The stabilization is best-in-class, and the image quality is more than good enough for the vast majority of shooters who aren't printing at gallery sizes. If you can live with the slow aperture, this is one of the smartest buys in the RF lineup.