the last word

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

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Publish your work

July 1, 2008 JimK 1 Comment

Ever thought about doing a book? Sure you have. Maybe you even looked into the economics of it, and realized that, in order to pay for all the setup charges, you needed to have a press run of at least 1000 copies.  Two thousand turns out to be in the sweet spot. You figured out… [Read More]

The Last Word

Art & Craft

June 24, 2008 JimK Leave a Comment

Two friends and I went on a photo trip a few months ago. We went to the Owens Valley to make landscapes. None of us is an accomplished landscape photographer.  Our motivation was to have a good time together doing something we like to do. Still, we were serious about it. We scouted locations during… [Read More]

The Last Word

Controversy

June 21, 2008 JimK Leave a Comment

We had a little of what passes for controversy on this blog last month. Two whole comments! A couple of other people (you know who you are) said that they’d post something, but so far have not followed through. I did run into Hunter shortly after he posted his “you ignorant slut” comment. I asked… [Read More]

The Last Word

Creating inside the box

May 27, 2008 JimK 4 Comments

Jeff Bezos, the CEO of Amazon, said in a recent Business Week interview, “I think frugality drives innovation, just like other constraints do.” Replace “innovation” with “creativity” (I’m not sure I can tell you the difference, but “innovation” is not a word that resonates as well with artists) and “frugality” with darn near any constraint,… [Read More]

The Last Word

Photographic computing: some good news

April 26, 2008 JimK Leave a Comment

[Another technical post. I promise to get back to art next month.] My last post, the one on multicore processors, ended on a down note. I don’t feel great about the future of multicore computing. However, there’s something else on the near horizon that’s going to dramatically increase the performance of photographic computer systems– the… [Read More]

Technical, The Last Word

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Articles

  • About
    • Patents and papers about color
    • Who am I?
  • Good 35-70 MF lens
  • 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 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

  • Gordon Ownby on Hasselblad XCD 90/2.5 V bokeh on X2D
  • JimK on Hasselblad XCD 90/2.5 V bokeh on X2D
  • Gordon Ownby on Hasselblad XCD 90/2.5 V bokeh on X2D
  • JimK on Fujifilm GFX 100 II — ISOlessness at high ISO settings
  • Gerald Hill on Fujifilm GFX 100 II — ISOlessness at high ISO settings
  • JimK on Hasselblad 90/2.5 XCD-V on X2D — Siemens star
  • JimK on Hasselblad XCD 90/2.5 V lens on X2D
  • Marko on Hasselblad XCD 90/2.5 V lens on X2D
  • Glen on Hasselblad 90/2.5 XCD-V on X2D — Siemens star
  • JimK on Hasselblad 90/2.5 XCD on X2D, edge falloff

Archives

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Unless otherwise noted, all images copyright Jim Kasson.