The DJI Osmo Action 4 is the best action camera to buy this Prime Day | Tech Radar
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You don't need to skimp with a cheap action cam — DJI's discounted Action 4 is better quality — and much better value at its lowest-ever price
This is a ridiculously good price for such a well-specced action camera.
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The Amazon Prime Day deals are well and truly up and running — and if you're looking for an action camera, I've found a genuinely fantastic deal.
Cheap action cameras are all over the market these days, and having used and reviewed a few of them, I'm somewhat wary — the image quality just tends to be so poor that they aren't even worth their two-digit price. When it comes to cameras, you're almost always better off going for an older model from a well-regarded name than a newer one from a budget line — and that's why I think this massive deal on the DJI Osmo Action 4 is one to snap up.
First reviewed by our Cameras Editor Timothy Coleman back in 2023, the Osmo Action 4 takes the classic Go Pro-style form actor and crams in a 1/1.3-inch sensor that delivers excellent video quality. With comprehensive waterproofing to depths of 18m (no case needed), highly effective Rock Steady image stabilization, and a brilliant magnetic mounting system for accessories, it's a comprehensively equipped action cam for capturing dynamic footage of your adventures — and it's able to go places you wouldn't dream of taking your phone or 'proper' camera.
Sure, it's not the best action cam on the market anymore — not while the DJI Osmo Action 6 and Go Pro Hero 13 Black exist. But the price! The Prime Day savings on the DJI Osmo Action 4 put it at
It's two generations old now, with the Action 5 Pro and Action 6 having arrived since, but the DJI Osmo Action 4 still shoots crisp 4K video and has excellent waterproofing. The real appeal to this 2023 model is its low price, which with Prime Day savings is down to less than half of its original asking price.
Savings are also excellent in the UK, with the Osmo Action 4 available for less than £160. This combo also includes a quick-release adapter mount, a charging cable, a lens hood and a protective frame.
Tim found the DJI Osmo Action 4 to be an ideal family holiday camera — it caused his mirrorless to stay in the bag! (Image credit: Future)
Despite being a few years old, the Osmo Action 4 is still more than capable of producing imagery to the standard demanded by content creators in 2026. With a topline video resolution of 10-bit 4K video, it produces crisp and punchy footage, and offers a number of slow-mo options, as well as the option to shoot in the D-Log color profile to maximize dynamic range. This is everything a content creator could want, especially when you also factor in the punchy 10MP stills.
The later, pricier cameras are better in some areas — I've used the Osmo Action 6, and its low-light abilities are absolutely unreal. But most action camera footage is shot in bright daylight; they tend to be used for capturing POV footage of activities like surfing, cycling, snorkeling or skiing, and if you're not planning to do much shooting at night, you won't have a problem. And besides, as Tim found, the Osmo Action 4 isn't actually all that bad in low light — it's just not a patch on the cameras that have come along since.
The Osmo Action 4's simple UI means kids can use it without too much of a problem, making it a brilliant option for family holidays — this is a camera that won't mind being dropped, splashed, knocked or bumped.
The X4 Air is slightly lighter than the X5, which will feel like a benefit on a long day of shooting. (Image credit: Future)
It's also worth mentioning that if you're in the US, ongoing trade restrictions mean it can be difficult to get hold of newer DJI cameras like the Osmo Action 6, meaning an older model like the Action 4 could well be your best option.
But even if that's not an issue, at this price, I'd recommend the Osmo Action 4 to most people over the Osmo Action 6 — and I loved the Osmo Action 6. I took one on holiday to New York, and have it in a drawer beside me right now!
But this is just such good value for the level of functionality and image quality on offer. It's the perfect gateway for anyone thinking about dipping a toe into the world of action cameras — and it's a much, much better buy than a cheap-and-nasty action camera from a brand you've never heard of.
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Writer, photographer and editor Jon Stapley is an expert in all things cameras and digital art.
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