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the last word

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

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Design of a wide-gamut monitor

September 2, 2012 JimK Leave a Comment

What could be done to extend the gamut of monitors so that we can see all the colors we can print? With transmissive LCD monitors, there’s an inherent problem: if you make the red, green, and blue filters narrower so that the primaries are more nearly spectral, they pass less light and the display gets… [Read More]

The Last Word

Adobe RGB gamut limitations

September 1, 2012 JimK Leave a Comment

In my last post, I made the assertion that, if you have a good printer, your printer can print colors you can’t represent in Adobe (1998) RGB, and therefore, you can’t see on a monitor with the Adobe RGB primaries. I’d like to use this post to give some examples. In all the pictures to… [Read More]

The Last Word

Can you use a wide-gamut display?

August 31, 2012 JimK 2 Comments

Kate Murphy recently wrote a New York Times article called, “Things to Consider When Buying a Monitor”.  You can find it here. In the column, Murphy says, “…so you really have to make this decision on your own and that means you have to dive into the specs. Don’t glaze over. It’s not really that hard.” She… [Read More]

The Last Word

Be there for inspiration

August 29, 2012 JimK Leave a Comment

One running theme of this blog is the unity of the creative process, no matter what the discipline. Here’s a quote from Rodney Crowell that appeared in an interview in the October issue of Acoustic Guitar magazine. Crowell is talking about songwriting, but it applies equally to photography. As an artist, you have to develop… [Read More]

The Last Word

Beyond easy

July 13, 2012 JimK Leave a Comment

I’ve written before about getting to a point in a project where the very images that got me so excited in the beginning now look cheap to me. I used to dread that stage, but now I know it means I’m moving to the good part. But what if you never get there? Here’s what… [Read More]

The Last Word

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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

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