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the last word

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

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Archives for January 2017

A book report — taking stock after 3 months

January 28, 2017 JimK 4 Comments

This is part of a series about my experiences in publishing a book. The series starts here. It’s been about three months since I helped unload 600 copies of Staccato  into my garage. Hemlock printed 1000, and 400 were shipped directly from the bindery to (non-paying, but valued) customers. I have printed about 25 sets of… [Read More]

The Last Word

Sensor pixel density and cost

January 25, 2017 JimK 4 Comments

There’s a delicious technical symmetry to digital photography. The sensors that we use to take pictures are incredibly complex and intricate creations. And those sensors for photography are made my employing – wait for it – photography. Did any of you say, “huh?” I can explain. Those who know all this stuff can skip ahead…. [Read More]

The Last Word

Coming attractions

January 23, 2017 JimK 2 Comments

Two big camera announcements recently. Fuji dropped the other shoe about the GFX 50S, giving us prices, and an approximate start-of-shipments date of the end of February. In addition, they announced an adapter for Hasselblad H-series lenses (which are actually made by Fuji), and another one for view-camera lenses. The H-series adapter does not support… [Read More]

The Last Word

Requiem for a camera store

January 18, 2017 JimK 2 Comments

When I was growing up in Muncie, Indiana, my father taught me about photography. Brownie Hawkeye, developing pictures in the bathroom, Kodak plastic tank with an apron to keep the film from sticking together, Kodak Tri-Chem Pak, contact frame, 60 watt bare bulb — I’m sure you old timers know the drill. We bought supplies… [Read More]

The Last Word

Flash card reliability

January 14, 2017 JimK 2 Comments

I’ve been doing the synthetic slit scan images for a couple of months now. That series requires me to make many exposures. A typical run is 30,000 to 40,000 images exposed at one-second intervals over a day. I can’t go over 40,000, for reasons I’ll get to later on. I use silent shutter on my… [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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