360° cameras are cool because they let you be in the moment and you can worry about framing the shot later. However, once you dial down the field of view to something more traditional, you notice how little detail there is – especially at 4K but even with 5.7K cameras like the Insta360 X3. One way to fix that is to increase the resolution to 8K. Meet the Insta360 X4, the company’s first 8K 360° camera. It can record 8K videos at 30fps and it now uses the more efficient H.265 codec (the X3 only did H.264). Even so, the maximum bitrate for videos has been increased to 200Mbps (from 120Mbps)...

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