Action cameras are very popular because they’re small and relatively cheap. You can strap them to your body, your bike, your surfboard or a drone and record activities you’re involved in. They also provide a simple way to acquire different camera angles for shots.
However, most are designed primarily for recording video, so their top resolution is 1920 x 1080 pixels (just under two megapixels). Some recent releases support 4K video, which ranges between 3840 x 2160 and 4096 x 2160 pixels or 8.3 and 8.8 megapixels. By modern still camera standards this resolution isn’t high. Many camera-phones offer higher resolution.
Many action cameras come with waterproof cases, making them ideal for recording water sports. Most support remote triggering and playback via Wi-Fi. Some include internal stabilisation, although it may…