To create even better 4K video
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To create even better 4K video

4K video is impressively detailed, but oversampled 4K video is even more detailed. So, even if you don't need to create virtual crops, zooms or pans in your video you'll still benefit from the effects of oversampling.

We've already seen a number of mirrorless cameras that oversample 4K in-camera, typically from a 6K starting point. However, sampling theory says that 8K is the minimum resolution you need to correctly capture the maximum resolution that 4K can show. In effect, it's perfect oversampling, similar to the way the original Sony a7S (above) captured 4K and downsampled it to 1080 with zero luma aliasing.