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Fujifilm GFX

Mitigating Diffraction from f/4 through f/32

Diffraction is discussed in detail in Making Sharp Images. See Mitigating Micro Contrast Losses from Diffraction Blur.

The Fujifilm GF lenses offer an aperture range from wide open to f/32. This page shows the effects of diffraction over the aperture range, along with diffraction-mitigating sharpening.

The crops here were taken from the Dolls aperture series.

Fujifilm GFX Lens Modulation Optimizer setting

The Fujifilm GFX offers a I.Q. => Lens Modulation Optimizer feature. The GFX manual follows the same mantra of omitting all useful details for anyone with a modicum of knowledge (e.g., a pro photographer buying a pro camera). In particular, whether a feature applies to JPEG or RAW or both, what the feature actually does, when to use it and why. The "slight loss of focus at the periphery of the lens” statement is greek to me as having anything to do with diffraction.

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Diglloyd Medium Format covers medium format camera systems, including the Hasselblad X1D and Fujifilm GFX.

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  • In-depth lens evaluations covering behaviors not likely to be found anywhere else, based on real-world field shooting.
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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.

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