You’ve only just got used to hearing about 4K TV and now some people are talking about 8K. But what the hell is it? What makes 8K different to 4K? And do you need it? Or is it worth waiting a while ...

The Sony A7R V was revolutionary when it was released back in October 2022, but is it still worth buying in 2025? We've put it to the test for astrophotography, wildlife photography and everything ...