Both cameras crest the 40-megapixel hill easily, but the Lumix S1R pushes well beyond it to just over 47MP, giving it a 5MP lead over the Sony A7R III. Is that a significant advantage? Not really ...

That's a similar weight to Nikon's Z 7, but it's a lot lighter than Panasonic's behemoth 2.2-pound Lumix S1R. In any case, Sony used the extra grams well. The A7R IV has a bigger grip than the A7R ...

Much like with the company's RX100 series, the overall excellence of the Sony A7R IV is in large part down ... You may like I've tested the Panasonic Lumix S1R II, and it beats its bulky ...

The Sony A7R IV once again features 5-axis in-body image stabilization ... matching the one found on the Panasonic Lumix S1 and S1R full-frame cameras. It really is a pleasure to look through and ...