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50-megapixel Fujifilm GFX
Fujifilm GF 23mm f/4 R WR

Aperture Series: Dark Rocks and Flowing Water, Upstream View (GFX 50S)

This aperture series look at performance from very close range to far distance from f/4 through f/13. Depth of field is the limitation on total detail.

Anyone shooting medium format is presumably seeking top quality and thus ought to be thinking in terms of focus stacking, at least for near-far scenes like this. That’s because depth of field is in short supply. Stopping down too far degrades brilliance and depth of field too often remains inadequate even at f/16—a dulled image from diffraction that is still not fully sharp near to far.

Accordingly, this series incorporates a two-frame focus stack at f/10 which provides an intriguing look at what is possible versus f/9 and f/13 by optimizing focus for the two-frame stack. As it turns out, f/9 is a fail on the nearby rocks and far distance, and f/13 loses brilliance and is still not fully persuasive. The focus-stacked image at f/10 is the Goldilocks result (just right).

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

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.
  • Jaw-dropping image quality found nowhere else utilizing Retina-grade images up to 100 megapixels filling up to 5K display, plus large crops.
  • 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.
Aperture series 4,6.4,9,10.2,13 available in full article

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