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the last word

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

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Keyboard mystery (sort of) solved

July 25, 2009 JimK 1 Comment

Well, I finally figured out what was going on when it seemed like my keyboard was deciding to go on vacation. Yesterday, I was composing a message in Outlook when I noticed that the keystrokes were not appearing on the screen. I did have a window partially exposed behind the message composing window. The partially… [Read More]

The Bleeding Edge

Keyboards, revisited

July 22, 2009 JimK 2 Comments

The big brown truck delivered the freshly-manufactured clicky keyboard with a semi-future-proof (in this sense, it’s only the future if I live to see it) connector, and the true-blue IBM Model M ‘board with a semi-hemi modern PS/2 connector. I tried them out without hooking them up to the computer. The USB keyboard felt at… [Read More]

The Bleeding Edge

Waiting for the Muses

July 5, 2009 JimK Leave a Comment

I was watching Patty Griffin on Austin City Limits a while back. At the end of the hour, they ran an interview as they rolled the credits. She said something that hit home: “Song writing is listening, not participation. You need to wait for the song to show up. You wait around, hoping that the… [Read More]

The Last Word

A sad farewell

July 1, 2009 JimK 1 Comment

Through at least seven computers, from DOS, OS/2, and Windows 3.1 to Vista x64, while mice have had their little balls clog and got replaced with ones with LEDs and cameras, I’ve used the same keyboard — an IBM 1391401 manufactured on December 12, 1990. That ‘board, and many variants that group together under the… [Read More]

The Bleeding Edge

Drobo: a fix?

July 1, 2009 JimK 2 Comments

I got an email from Drobo support yesterday with the following instructions: “Since Drobo1 is only a back up, then instead of just reformatting, you might try starting the array from scratch by performing a Clear Disk per the attached instructions.  Once this completes, verify that “Tools” tab indicates that this Drobo is running v1.3.1…. [Read More]

The Bleeding Edge

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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

  • bob lozano on The 16-Bit Fallacy: Why More Isn’t Always Better in Medium Format Cameras
  • JimK on Goldilocks and the three flashes
  • DC Wedding Photographer on Goldilocks and the three flashes
  • Wedding Photographer in DC on The 16-Bit Fallacy: Why More Isn’t Always Better in Medium Format Cameras
  • JimK on Fujifilm GFX 100S II precision
  • Renjie Zhu on Fujifilm GFX 100S II precision
  • JimK on Fuji 20-35/4 landscape field curvature at 23mm vs 23/4 GF
  • Ivo de Man on Fuji 20-35/4 landscape field curvature at 23mm vs 23/4 GF
  • JimK on Fuji 20-35/4 landscape field curvature at 23mm vs 23/4 GF
  • JimK on Fuji 20-35/4 landscape field curvature at 23mm vs 23/4 GF

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Unless otherwise noted, all images copyright Jim Kasson.