It ’ effective.Images taken uppermost native sensitivity setting ( ISO 25,600 ) look good ’ inevitably loss detail.The images taken upper expanded range also look pretty decent.In sum , Nikon D850 well-built camera high-level specification delivers first-rate images tricky situations.Read Nikon D850 review Price reviewed £3500 $ 3296.95 Check current price Canon EOS R6 Specification Camera Type : Mirrorless Mirrorless Announced : 9th July 2020 9th July 2020 Sensor : 20Mp Full-frame Dual Pixel CMOS AF II 20Mp Full-frame Dual Pixel CMOS AF II Processor : Digic X Digic X Lens mount : RF RF Sensitivity range : Stills : ISO 100-102,400 expandable ISO 50-204,800 , Movies : ISO 100-6,400 , expandable ISO 204,800 Stills : ISO 100-102,400 expandable ISO 50-204,800 , Movies : ISO 100-6,400 , expandable ISO 204,800 File formats : Raw + Jpeg/HEIF , MP4 Raw + Jpeg/HEIF , MP4 Maximum continuous shooting rate : Mechanical shutter : 12fps , Electronic shutter : 20fps Mechanical shutter : 12fps , Electronic shutter : 20fps Maximum video resolution : 4K video 60fps , Full HD 120fps .