Now, as mentioned previously, the 4K Video Type is an important factor to consider as well. In order to record 4K 60p, the Panasonic S1 crops the sensor to a APS-C sensor at 4:2:0 8-bit. Although this is not as impressive as the Full Frame 4K 60p recording available with the Canon 1DX MkII, it is still a leap forward in full frame mirrorless technology and a particularly favorable feature.
Ultimately, your choice in action camera should come down to performance and ease of use. We've filmed hours of footage with many of the major contenders to determine where each device stands in the field. Some excel in all manner of extreme situations, while others can fall apart underwater or once the sun goes down. And what good is an action cam if it's not built for action?

What's the best helmet camera?


The latest flagship GoPro model is our favorite action camera available right now, and it brings some brilliant new features. A key difference from its predecessor (and especially the less expensive Hero7 Black) is that there are fold-out feet, so now you have a camera mount is now built in. That's not all – you can accessorise the Hero8 Black with a new series extras called 'Mods'. We especially like the Display Mod because it adds a second monitor that is perfect for vloggers. There are plenty of other Mods too, including a Media Mod for improving the production value of your videos, and a Light Mod LED light too. These extra capabilities – and the fact it's already waterproof down to 10m without a case – make the Hero8 Black our favorite underwater action cam right now.

The Olympus OM-D E-M5 Mark II is a powerful 4/3 mirrorless camera. It has 16-megapixels but is also capable of shooting in a 40-megapixel (64 in RAW), high-resolution shooting mode. The E-M5 Mark II also has WiFi to make sharing photos with your dive buddies even easier. This camera is a great option for photographers who travel often and want a camera that won’t break the bank. 
The next most immediate specification to consider would be the frame rate that your video camera allows you to record in. Top-of-the-line video cameras record at 4K resolution and 60 frames per second (fps), giving your footage that smooth, slow-motion cinema look that everybody loves. This is a highly sought-after capability and only a select few cameras on the market (excluding high-end cinema systems) provide this feature.

The Sony RX100 VA, VI & VII cameras are the latest additions to the Sony RX100 series and are packed with lots of awesome features for underwater photography. They are the top of line compact cameras to date. Autofocus is lightning quick in both cameras, which is very beneficial for underwater application. Both feature a large 1" sensor with 20 MP resolution, which provides excellent image quality, fast autofocus, useful video modes (like slow motion) and full manual controls. The RX100 VI's key upgrade is its enhanced zoom using a 24-200 mm f/2.8 – 4.5 lens. The RX100 VA's key upgrade is 24fps sequential shooting, enhanced image buffer, and a customizable menu system. The RX100 VII has some minor improvments over the VI.

Which GoPro is the best?


The latest flagship GoPro model is our favorite action camera available right now. A key difference from its predecessor (and especially the less expensive Hero7 Black) is that there are fold-out feet, giving you the advantage that the camera mount is now built in. Furthermore, you can accessorise the Hero8 Black with a new series of bespoke optional extras called Mods – we particularly like the Display Mod, which adds a second monitor that is perfect for vloggers, but there are plenty of others, including a Media Mod for improving the production value of your videos, and a Light Mod LED light too. These add-ons cost you more – but if you are looking for the very best action camera, and the best GoPro for image quality and features, then the Hero8 Black is it.

professional underwater video camera

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