While the original Sony RX0 drew plenty of attention for its 1-inch sensor in a tiny body, it was somewhat hamstrung by the fact that to record 4K video it needed to be physically tethered to an external recorder. So while it was waterproof, shockproof and all that jazz, this limitation meant you couldn't record 4K video in these extreme situations. The RX0 II does away with this restriction, recording pristine 4K video internally, and also adds welcome extra features like a flip-out screen. It's the most expensive on this list, but if you need the low-light latitude a 1-inch sensor gives you, it's really an unrivalled prospect.
Compared to the Olympus Tough TG-6, the Nikon COOLPIX can capture higher resolution images with more versatile zoom range. But the TG-6 has a brighter lens (f/2.0 versus f/2.8 in the Nikon), as well as the ability to shoot photos with higher ISO, so it's better in low-light photography. The Olympus also has higher burst-capture capabilities than the Nikon (20 versus 7 frames per second).

Is GoPro a good camera?

There are some cameras that were made specifically for being used underwater for example the SeaLife DC1400. But, just from reading the mixed bag of customer reviews on Amazon, it’s clear that it’s not the best underwater camera for scuba diving. The buttons stick, the flash doesn’t work, the shutter delay is insanely slow… just a few of the problems you can run into.

Can we take photos in action camera?

Then there's resolution and video quality. You'll want a camera that can record in 4K for sure. The top-end models from DJI and GoPro offer 60fps 4K with digital stabilization that's absolutely incredible. They're also not limited to ultra-wide views; you can set a narrower angle to remove lens distortion, making them solid choices for vlogging and travel logs.

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