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the last word

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

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Archives for 2012

An eerie sunset

April 13, 2012 JimK Leave a Comment

  Sometimes slit scan photographs don’t look very real at all. This one from last night is in that camp. Kind of creepy, huh?

The Last Word

Strange clouds

April 12, 2012 JimK Leave a Comment

  Yesterday we had some nice cloud formations. With the slit scan camera, they looked like this. One of the things I like about doing slit scans of clouds and waves is that, at first glance, they look real, but as you spend more time with the image, they look stranger and stranger.

The Last Word

Sunset with contrail

April 11, 2012 JimK Leave a Comment

  Here’s another slit-scan sunset. This one would have been pretty soporific if not for a passing plane.

The Last Word, Uncategorized

A long sunset

April 10, 2012 JimK Leave a Comment

  This is last night’s sunset, with time running from right to left. I couldn’t have planned for the fog that formed after the sun dropped below the horizon, but, as far as I’m concerned, it makes the picture.  

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Waves that never were

April 9, 2012 JimK Leave a Comment

  Thursday was a blustery day at Garrapata Beach, with the sun brilliantly blazing one minute and behind clouds the next. This is about a 3-minute slice of time.

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

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Archives

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Unless otherwise noted, all images copyright Jim Kasson.