Sony A9

The Sony a9's autofocus sits in the 95th percentile, making it one of the best tracking cameras we've ever tested. The 20fps blackout-free burst is still impressive, but the lack of stabilization, weather sealing, and a fixed display hold it back. At $1,555 renewed, it's a speed specialist for sports and wildlife shooters who don't need anything else.

Let's talk about the autofocus first, because that's where this camera earns its keep. 693 phase detection points covering 93% of the frame puts it in the 95th percentile of all cameras we track. That's best-in-class territory, even years after launch. Eye AF and subject detection are here too, and combined with the blackout-free shooting, you get a viewfinder that never blinks while you're tracking a moving subject. For sports and wildlife shooters, this is the whole ballgame.

The 20fps mechanical burst is no slouch either, landing in the 80th percentile. But here's the thing: that burst speed is only impressive if your buffer can keep up, and the battery life sits at the 47th percentile, which is solidly middle of the pack. You'll want spare batteries for a full day of shooting. The stacked CMOS sensor was a world first, but it now sits at the 33rd percentile for sensor performance, which tells you how fast sensor tech has moved. The lack of stabilization is a real limitation too, especially with longer lenses.

Stacked against the Nikon Z9, the a9 looks like a featherweight boxer in a heavyweight fight. The Z9 has better build quality, better video, and a more modern sensor, but it also costs significantly more. The Fujifilm X-H2 and Panasonic Lumix G9 II both offer better all-around packages with stabilization and newer sensors, though neither matches the a9's autofocus percentile. The OM System OM-1 Mark II is the closest in spirit, a speed-focused camera for wildlife, but it has weather sealing and stabilization that the a9 lacks. The Canon EOS R5 Mark II is in a completely different league for video and resolution, but again, you're paying for it. The a9 wins on pure autofocus performance per dollar, and that's about it.

At $1,555 USD for a renewed body, the a9 is in a strange spot. That price puts it in the 31st percentile for affordability, which means it's not exactly cheap, but it's also not outrageous for what you get. The problem is that you're paying for one thing: speed. If you need 20fps with best-in-class autofocus, this is actually a bargain compared to something like the Nikon Z9. But if you want a well-rounded camera, that $1,555 starts to feel steep for a body with no stabilization, no weather sealing, and a fixed display. The renewed status also means you're rolling the dice on condition, and with a 2.8 rating from just 5 reviews, there's not much social proof to reassure you.

The Sony a9 is a weird beast in our database. It's got autofocus that sits in the 95th percentile, which is basically the absolute best right now, and a 20fps burst rate that still lands in the top 20% of cameras we track. But then you look at the build quality, sitting at the 21st percentile, and the 2.8 out of 5 customer rating from just 5 reviews, and you realize this thing is a specialist, not an all-rounder. It's a speed demon wrapped in a body that feels a bit dated by today's standards.

At 454g, it's surprisingly light for a full-frame camera, but there's no weather sealing and no in-body stabilization. The 693 phase detection AF points cover 93% of the frame, which is still impressive, but the fixed display and mediocre EVF hold it back for anything other than fast action. This is a camera that was revolutionary when it launched, and it still has one killer trick, but the rest of the package has aged like milk in the sun.

Skip the a9 if you shoot anything other than fast action. The video performance is in the 25th percentile, which is a weak spot for a camera at this price. The lack of in-body stabilization, sitting at the 36th percentile, makes handheld shooting with longer lenses a chore. And the build quality at the 21st percentile means no weather sealing, so outdoor shooters in rough conditions should look elsewhere. If you want a travel camera, the 17.9 out of 100 travel score tells you everything you need to know. This is not a camera for casual use or video work.

The Sony a9 is a one-trick pony, but it's a hell of a trick. If you shoot sports or wildlife and you need autofocus that never quits, this camera delivers performance that still ranks among the best we've seen. But you have to accept the trade-offs: no stabilization, no weather sealing, a fixed display, and video that's frankly disappointing. The 2.8 customer rating is a red flag, though with only 5 reviews it's hard to draw firm conclusions. For the right shooter at $1,555, it's a specialized tool that still punches above its weight. For everyone else, there are better-rounded options.