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the last word

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

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Archives for January 2020

Balancing the capture of real and fake detail

January 30, 2020 JimK 17 Comments

It seems to me the most important contribution of the Fujifilm GFX 100 and Sony a7RIV over their immediate predecessors is reduced aliasing, rather than increased sharpness. The GFX 100 is not actually sharper than the GFX 50x cameras, if slanted-edge MTF50 is the sharpness criterion, but the images are dramatically more detailed and more… [Read More]

The Last Word

Left brain, right brain

January 22, 2020 JimK 4 Comments

Someone with whom I’ve had an Internet-mediated relationship with for some time came by the Monterey Museum of Art to see the Chronography exhibition that’s currently up. I showed him around, and he later made a post containing the following on DPR: I don’t know about the rest of us here, but Jim’s technical prowess… [Read More]

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Opening reception at Monterey Museum of Art

January 17, 2020 JimK 8 Comments

Last night was the opening reception for my exhibition at the Monterey Museum of Art. Here are a few photos.                   The dark walls and tight spotlights make for good print viewing, but for challenging photography.

The Last Word

Monterey Museum of Art show is up

January 15, 2020 JimK 6 Comments

My exhibition at the Monterey Museum of Art opened on January 9. I dropped by today and took pictures.                 I’m very pleased. I think the dark walls work well. I think the curator was right in asking me to space out the work so that the labels… [Read More]

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Ring out the old

January 6, 2020 JimK 4 Comments

In a frenzy of winter cleanup, I sold the following cameras yesterday: Nikon D3 Nikon D810 Nikon D850 Sony a7S Sony a7RII Sony a7II Linhof Master Technika Betterlight Super 6K I also sold a bunch of lenses. Whew! The pace of camera innovation continues to amaze me. I now own only one DSLR. Recently, I’ve… [Read More]

The Last Word

January 2020
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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

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Archives

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