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the last word

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

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Archives for June 2014

Big vs little pixels

June 30, 2014 JimK 1 Comment

With the announcement of the Sony alpha 7S and its 12 megapixel sensor, the debate about the relative merits of big-sensel sensors and little-sensel sensors has heated up again. The two poles of the argument: Capture the image at as high a resolution as you can manage. If you need a lower-resolution version, you can… [Read More]

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Nikon D810 announced today

June 26, 2014 JimK 3 Comments

You probably already saw today’s announcement. Some useful improvements — the electronic first curtain shutter (EFCS) by itself is enough to make me a buyer, and maybe they’ve fixed live view — but in general underwhelming. Where is the 54 megapixel sensor? Where is the EVF? I may be cynical, but I asked myself a… [Read More]

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Trying to fix the succulent picture

June 23, 2014 JimK Leave a Comment

In my previous post, I showed you what happens in the succulent slit-scans when atmospheric haze comes and goes over a seven-hour period. Today, I’d like you to see the results of my attempts to process the images to remove the artifacts (I call them artifacts because I don’t like them; I realize that they… [Read More]

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Struggles with the succulent

June 22, 2014 JimK Leave a Comment

It’s unusual for photographers to show you their bad images. I’m no exception; while I try to learn from my mistakes, I don’t advertise them. Maybe that’s a mistake itself. If I learn from them, maybe others can, too. While my photography is idiosyncratic and unique to me, the general ideas may translate. So, in… [Read More]

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Fuji gets it completely wrong

June 21, 2014 JimK 1 Comment

I respect the quality of their products, but this current Fuji ad is ridiculous: What are they trying to say here? That you don’t buy a camera to make images, but for some other purpose? Maybe to improve your social standing? Or that a camera is not a tool, but a fetishistic object?

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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

  • 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
  • Ivo de Man on Fuji 20-35/4 landscape field curvature at 23mm vs 23/4 GF

Archives

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