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the last word

Photography meets digital computer technology. Photography wins -- most of the time.

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Archives for March 2021

GFX 100S read noise and EDR vs ISO setting

March 16, 2021 JimK Leave a Comment

This is the fourth in a series of posts about the Fujifilm GFX 100S. If you look on the right side of this page, scroll down to the Categories section, and select GFX 100S from the dropdown list, you can see all the reviews. I made a series of dark-field images with the GFX 100S… [Read More]

GFX 100S

GFX 100S dark-field histograms

March 16, 2021 JimK 10 Comments

This is the third in a series of posts about the Fujifilm GFX 100S. If you look on the right side of this page, scroll down to the Categories section, and select GFX 100S from the dropdown list, you can see all the reviews. You can tell a lot about a camera without attaching a… [Read More]

GFX 100S

GFX 100S shadow performance with 14 and 16 bit precision

March 15, 2021 JimK 15 Comments

This is the second in a series of posts about the Fujifilm GFX 100S. If you look on the right side of this page, scroll down to the Categories section, and select GFX 100S from the dropdown list, you can see all the reviews. When I tested the GFX 100, I found the 16-bit mode… [Read More]

GFX 100S

Fujifilm GFX 100S Review

March 15, 2021 JimK 2 Comments

I received my GFX 100S today, and started testing. It bears a lot of similarity to the GFX 100, since it has the same sensor, but there are significant differences, so I’m creating a new category for it. If you look at the right hand column of this page, scroll down to the Categories section,… [Read More]

GFX 100S

Adobe Super Resolution

March 13, 2021 JimK 5 Comments

Adobe has introduced a new feature in Camera Raw 13.2. They call it Super Resolution. I’ll call it SR here. SR is a demosaicing technique that produces an output image with twice the number of pixels as the raw file in both dimensions. That means the file as four times the number of pixels of… [Read More]

GFX 100, The Last Word

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March 2021
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Articles

  • About
    • Patents and papers about color
    • Who am I?
  • How to…
    • Backing up photographic images
    • How to change email providers
    • How to shoot slanted edge images for me
  • 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 35-70 MF 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
      • Tilted 50 mm FF lens
      • Two 15mm FF lenses
    • Found a problem – now what?
    • Goals for this test
    • Minimum target distances
      • MFT
      • APS-C
      • Full frame
      • Small medium format
    • Printable Siemens Star targets
    • Target size on sensor
      • MFT
      • APS-C
      • Full frame
      • Small medium format
    • Test instructions — postproduction
    • Test instructions — reading the images
    • Test instructions – capture
    • Theory of the test
    • What’s wrong with conventional lens screening?
  • Previsualization heresy
  • Privacy Policy
  • Recommended photographic web sites
  • Using in-camera histograms for ETTR
    • Acknowledgments
    • Why ETTR?
    • Normal in-camera histograms
    • Image processing for in-camera histograms
    • Making the in-camera histogram closely represent the raw histogram
    • Shortcuts to UniWB
    • Preparing for monitor-based UniWB
    • A one-step UniWB procedure
    • The math behind the one-step method
    • Iteration using Newton’s Method

Category List

Recent Comments

  • JimK on Sony 135 STF on GFX-50R, bokeh visuals
  • Manu on Sony 135 STF on GFX-50R, bokeh visuals
  • John Griffin on The 16-Bit Fallacy: Why More Isn’t Always Better in Medium Format Cameras
  • JimK on How Sensor Noise Scales with Exposure Time
  • Štěpán Kaňa on Calculating reach for wildlife photography
  • Štěpán Kaňa on How Sensor Noise Scales with Exposure Time
  • JimK on Calculating reach for wildlife photography
  • Geofrey on Calculating reach for wildlife photography
  • JimK on Calculating reach for wildlife photography
  • Geofrey on Calculating reach for wildlife photography

Archives

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