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the last word

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

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Archives for July 2015

Practicing photography — motor skills

July 6, 2015 JimK 5 Comments

A few days ago, I posted a piece about deliberate practice. I asserted, but did not defend, the position that that technique can help your photography. Today I’d like to take on what I consider to be the easy part of the argument: that some of photography consists of motor skills, and, since deliberate practice… [Read More]

The Last Word

The story behind the picture

July 5, 2015 JimK 6 Comments

Yesterday I posted this picture: Today I’ll tell you a bit about how it was made, and see if that changes your assessment of it. I started out with this image: It is a seven-image composite. Here’s what the layers look like in Ps: Except for the number of composited images, this is not that… [Read More]

The Last Word

Look at this picture

July 4, 2015 JimK Leave a Comment

Take a good look at the following picture and form an opinion about it. You can just remember what you thought of it, or you can comment on this post. Tomorrow I’m going to tell you some things about the image, and I’m interested in whether or not they change your opinion.

The Last Word

How to get to Carnegie Hall

July 3, 2015 JimK 1 Comment

I once had a conversation with my guitar teacher about practicing. It went something like this: Teacher: “How much do you practice?” Me: “About 45 minutes a day.” Teacher: “Tell me what you do on a typical day.” Me: “I warm-up by playing some songs that I know well. Then I work on the ones… [Read More]

The Last Word

A book report: more on gamut mapping

July 2, 2015 JimK 1 Comment

This is post fourteen in a series about my experiences in publishing a book. The series starts here. Earlier in this series, I’ve reported on mapping the images for the book into the rather small GRACoL 2006 Coated color space used by the printer. Today, Brooks Jensen taught me a new-to-me tool for gamut mapping…. [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

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

Archives

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Unless otherwise noted, all images copyright Jim Kasson.