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You are here: Home / Archives for GFX 50S

GF 35-70 and 32-64, foliage, corner

January 1, 2022 JimK Leave a Comment

  In the previous post, I compared the Fuji 35-70 GF against the 32-64 GF using foliage as the subject. I looked at the center of the images there; now I’ll look at the corner performance. I set up the GFX 100S as follows: RRS 4-series Versa legs Arca-Swiss C1 2-second self timer ES ISO… [Read More]

GFX 100, GFX 100S, GFX 50S

GF 35-70 and 32-64, foliage, on axis

January 1, 2022 JimK 2 Comments

  I set up on one of my usual foliage test scenes, shown here with the 35-70 at 35 mm wide open.   I set up the GFX 100S as follows: RRS 4-series Versa legs Arca-Swiss C1 2-second self timer ES ISO 100 AF-S for three shots, picking the best sharpness in post; this calibrates… [Read More]

GFX 100, GFX 100S, GFX 50S

Pulling high-ISO GFX 50x images in LrC

January 1, 2022 JimK 7 Comments

I have long recommended not using the GFX 50x ISO settings above ISO 1600 unless necessary to get adequate finder and preview image brightness.  Yesterday, I reported on pushing files exposed at ISO 1600 by three stops in Lightroom Classic (LrC) and compared the results to files exposed at ISO 12800. There were white balance… [Read More]

GFX 50S

GFS 50S high-ISO behavior and LrC development

December 31, 2021 JimK 4 Comments

The GFX 50S, GFX 50R, and GFX 50S Mk II all stop increasing gain for raw file data at ISO 1600. From then on they brighten the finder image and the JPEG preview image in the raw file, and send instructions to the raw developer to do a push to make the brightness match that… [Read More]

GFX 50S

Field curvature in the Fuji GF 35-70

December 29, 2021 JimK 1 Comment

I ran Roger’s Q&D test: https://www.dpreview.com/articles/1351719699/roger-cicala-field-curvature-for-fun-and-profit         This looks really good.

GFX 100, GFX 100S, GFX 50S

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Articles

  • About
    • Patents and papers about color
    • Who am I?
  • Good 35-70 MF lens
  • How to…
    • Backing up photographic images
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  • Lens screening testing
    • Equipment and Software
    • Examples
      • Bad and OK 200-600 at 600
      • Excellent 180-400 zoom
      • Fair 14-30mm zoom
      • Good 100-200 mm MF zoom
      • Good 100-400 zoom
      • Good 100mm lens on P1 P45+
      • Good 120mm MF lens
      • Good 18mm FF lens
      • Good 24-105 mm FF lens
      • Good 24-70 FF zoom
      • Good 35 mm FF lens
      • Good 60 mm lens on IQ3-100
      • Good 63 mm MF lens
      • Good 65 mm FF lens
      • Good 85 mm FF lens
      • Good and bad 25mm FF lenses
      • Good zoom at 24 mm
      • Marginal 18mm lens
      • Marginal 35mm FF lens
      • Mildly problematic 55 mm FF lens
      • OK 16-35mm zoom
      • OK 60mm lens on P1 P45+
      • OK Sony 600mm f/4
      • Pretty good 16-35 FF zoom
      • Pretty good 90mm FF lens
      • Problematic 400 mm FF lens
      • Tilted 20 mm f/1.8 FF lens
      • Tilted 30 mm MF lens
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      • Two 15mm FF lenses
    • Found a problem – now what?
    • Goals for this test
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      • MFT
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    • Test instructions — postproduction
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    • Theory of the test
    • What’s wrong with conventional lens screening?
  • Previsualization heresy
  • Privacy Policy
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  • Using in-camera histograms for ETTR
    • Acknowledgments
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    • Shortcuts to UniWB
    • Preparing for monitor-based UniWB
    • A one-step UniWB procedure
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