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This page looks at relative image quality of the Fujifilm GFX versus the Nikon D850, plus what the Sony A7R III in its (impaired) compressed raw mode. Those latter two cameras were best of breed in the 35mm format category as of late 2017.
The Fujifilm GFX has pixels 49% larger than that of the Nikon D850 and 39% larger than those of the Sony A7R III, so its noise level can be expected to be 1.2X better than the Nikon D850 (√1.49), forgetting about any other sensor or electronic differences. That’s a significant difference—a one stop exposure difference implies √2 = 1.4X noise difference. Does this difference show up in the files?
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These systems are hugely expensive, so make the right choice for your own needs (full frame vs medium format).
- In-depth lens evaluations covering behaviors not likely to be found anywhere else, based on real-world field shooting.
- How to configure menus and buttons and best operating practices, gotchas and how-to.
- Real world examples with insights found nowhere else. Make sharper images just by understanding lens and camera behaviors.
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- Aperture series from wide open through stopped down, showing the full range of lens performance and bokeh.
- Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.