If you’re looking for high-resolution performance at a reasonable price the Sony a7R lineup is king and it even compares well to large sensor cameras, but the Sony a7RIV isn’t a huge step up over the a7RIII. If Sony is approaching the limits of there technological capabilities with full-frame sensors it might be time for Sony to step up into a 44 x 33 sensor like the Fujifilm GFX has since the senors size has proven to have room to grow.
There are also other high-resolution cameras on the horizon from companies like Canon and Nikon that want to compete with the Sony a7R line too, but for now, Sony has a safe lead. Of course beyond senor performance, Sony also continues to have a substantial lead in AF performance regardless of sensor size, which some might value more than sensor performance.
You can compare PDR performance for yourself at Photos on Photos.
| Camera Model | Maximum PDR |
Low Light ISO |
Low Light EV |
|---|---|---|---|
| Sony a7RIII | 11.62 | 4744 | 10.57 |
| Sony a7RIII | 11.65 | 5787 | 10.85 |
| Fujifilm GFX50S | 11.90 | 6241 | 10.96 |
| Fujifilm GFX100 | 12.30 | 10413 | 11.70 |
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Sony a7RIII: B&H Photo / Amazon / Adorama
Sony a7RIV: B&H Photo / Amazon / Adorama
Fujifilm GFX50R: B&H Photo / Amazon / Adorama
Fujifilm GFX 50S: B&H Photo / Amazon / Adorama