Canon 75-300mm f/3.5-5.6

The Canon 75-300mm f/4-5.6 III scores 41.3 out of 100 for budget, which is about what you'd expect from a cheap telephoto zoom. Its versatility is genuinely strong at the 89th percentile, but the optical quality sits at the 16th percentile, and there's no stabilization to help at 300mm. It's a reach-for-cheap lens, and the image quality reflects that.

Let's talk about what this lens does well first: it gets you to 300mm. On a full-frame body, that's a diagonal angle of view of just 8° 15', which is properly telephoto territory. At the wide end, 75mm gives you 32° 11', so you can pull back for looser framing without swapping lenses. The 13 elements in 9 groups construction is a simple, old-school design, and the front group rotating extension system with a micromotor is about as basic as autofocus gets. Our AF score puts it at the 43rd percentile, which is middle of the pack, but in practice that micromotor is slow and noisy. Don't expect to track anything moving fast.

The optical performance is where this lens really struggles. At the 16th percentile, it's near the bottom of our database for image quality. The f/3.5-5.6 aperture range is also underwhelming, landing at the 31st percentile. That means less light reaching the sensor, which pushes your ISO up or your shutter speed down, especially at 300mm where you're stuck at f/5.6. And without stabilization, handholding at 300mm is a recipe for blurry shots unless you've got great light or steady hands. The bokeh score of 26th percentile confirms what you'd expect from a slow variable aperture zoom: backgrounds stay busy and distracting rather than melting away.

Stacked against the competition, the Canon 75-300mm f/4-5.6 III is playing a different game entirely. The Nikon NIKKOR Z MC 105mm f/2.8 VR S is a macro specialist with a much faster aperture and stabilization, though it costs considerably more and doesn't give you the 300mm reach. The Fujifilm XF 16mm f/1.4 R WR is a wide-angle prime with weather sealing and a bright f/1.4 aperture, but again, completely different focal length. The Sirui Sniper 16mm f/1.2 and Viltrox PRO series 27mm f/1.2 are both fast primes that will absolutely destroy the Canon in optical quality and low light, but they're primes, not zooms. The 7Artisans Lite Series 35mm f/1.8 AF is another budget option that trades reach for a much brighter aperture. What the Canon offers that none of these do is 300mm of reach at a budget price. But every one of those competitors beats it on optical quality, build, and aperture. You're trading image quality for focal length, and that's the whole story.

Pricing is a bit scattered depending on where you shop. We're seeing it listed at 189 GBP in the UK and 1,258 BRL in Brazil, though those amounts aren't directly comparable across currencies. What matters is the budget score of 41.3 out of 100, which puts this lens firmly in the cheap and cheerful category. For the price, you're getting a 75-300mm range that would cost significantly more from other manufacturers. But value isn't just about the sticker price. When you factor in the 16th percentile optical performance and the lack of stabilization, you have to ask whether the money would be better spent on a shorter, sharper lens or a used option with better glass. This is a lens you buy because it's affordable, not because it's good.

The Canon EF 75-300mm f/4-5.6 III lands in our database with a budget score of 41.3 out of 100, which tells you most of the story before you even mount the thing. It's a 75-300mm zoom with a variable aperture that starts at f/4 and closes down to f/5.6 by the long end, and it weighs just 499g. That light weight is genuinely nice for a telephoto zoom, but it comes with a catch: no stabilization, no weather sealing, and a build quality that sits in the 32nd percentile. This is a lens built to a price point, and it shows.

Where it does surprise us is versatility. At the 89th percentile, it's more flexible than most lenses in our database, mostly because that 75-300mm range covers a lot of ground for not much money. But versatility is about range, not results. The optical score sits at the 16th percentile, which means the images coming out of this thing lag behind most of what we've tested. You're getting reach, but you're paying for it in sharpness, contrast, and overall image quality.

Skip this lens if you care about image quality at all. The optical score in the 16th percentile means soft images, especially at the long end where you'll be shooting at f/5.6. If you shoot in anything less than bright daylight, the lack of stabilization combined with that slow aperture will frustrate you constantly. Macro shooters should look elsewhere immediately, the 9.3 out of 100 macro score is one of the worst in our database. And if you're planning to use this on a modern mirrorless body, you'll need an adapter, which adds cost and bulk to a lens that's supposed to be cheap and light. Anyone who can stretch their budget for a lens with stabilization and better optics should do exactly that.

The Canon EF 75-300mm f/4-5.6 III is a lens that does one thing well: it gets you to 300mm without emptying your wallet. The versatility score in the 89th percentile is legitimately impressive for the price, and at 499g it won't weigh down your bag. But the optical score in the 16th percentile is a dealbreaker for anyone who cares about image quality. No stabilization means you'll need fast shutter speeds or a tripod at the long end, and the slow f/5.6 aperture at 300mm makes that even harder. If you're on a tight budget and absolutely need telephoto reach, this lens will get you there, but expect soft images and frustrating low-light performance. For most people, saving up for something sharper or buying a used lens with better glass is the smarter move.