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the last word

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

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Archives for September 25, 2012

Is your web browser color managed?

September 25, 2012 JimK 5 Comments

If these two images look alike, it is. Several people have told me that Chrome for Windows is now color managed. My current version, 21.0.1180.89 m, is not. Update 9/26/2012: 22.0.1229.79 m is. Firefox 15.0.1 for Windows 7 is. Internet Explorer for Windows 9.0.8112.16421 is. Firefox for Android is not. Chrome for Android is not. Safari for the… [Read More]

The Last Word

Another way to stay on top of backups

September 25, 2012 JimK Leave a Comment

Vice Versa has a great way to stay abreast of what’s happening with your backups. It’s especially nice if you have four or fewer profiles. Unfortunately, it’s going away. The Vice Versa folks have written a Windows Gadget that looks like this: It doesn’t take up much screen space, especially if you have a 27″ or… [Read More]

The Last Word

Keeping track of your backups

September 25, 2012 JimK Leave a Comment

When working with computers, things go wrong sometimes, and backup is no exception. Disks fail. Software hangs. You need to know that your backups are being done. Maybe you’re the kind of person who just has to make a mental note to check on the status of your backups every morning. If so, my hat’s… [Read More]

The Last Word

Automating folder creation

September 25, 2012 JimK Leave a Comment

I create the disks I store off-site on a server that has USB-attached boxes that accept bare drives. Whenever I load a brand new disk, I need to create the directory structure the Vice Versa expects. I used to do this manually, which was error-prone and boring. Now I use a script. If you’re not… [Read More]

The Last Word

September 2012
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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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