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the last word

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

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Archives for November 2015

Sony a7II uncompressed raw dark-field histograms

November 18, 2015 JimK 4 Comments

Sony posted the Release 2.0 firmware for the a7II yesterday. Among other things, the release makes uncompressed raw an option. I did a set of dark-field histograms with no lens attached, the shutter set to 1/2000 second, and the drive mode to single shot. at all ISO settings.  I’m posting all the whole stop ones… [Read More]

The Last Word

Covering your tracks

November 18, 2015 JimK Leave a Comment

I believe that, in many circumstances (journalism not being one of them), that all’s fair in photography. Composite away. Use convoluted curves. Is there a cigarette butt in the foreground? Clone that sucker out. But don’t let the viewer see what you did. It’s like the joke about the young man who was interested in… [Read More]

The Last Word

Small-tent photography

November 17, 2015 JimK 5 Comments

When it comes to photography, I’m a big-tent person. In fact, I’m a big-tent guy about most things, but I’ll just stick to photography here. If there’s any kind of photosensitive material involved in the creation of an image, as far as I’m concerned, it’s photography. That puts me at odds with the people who… [Read More]

The Last Word

Comparisons across generations of capture devices

November 16, 2015 JimK 3 Comments

In this post a couple of days ago, I talked about the shorter-than-I-had-first-thought useful  lifetime of lenses, specifically excluding lenses with adorable flaws – deviations from conventional perfection that make the lens and the way it renders a scene an integral part of the image creation process, as opposed to just getting out of the… [Read More]

The Last Word

First post-op images

November 15, 2015 JimK 4 Comments

Since my brain surgery, the only photographs I’ve made have been from my studio window. I have made some, though, and the storm we had last week provided me some nice cloud shadows. All of these are several IR-modded Sony a7II  exposures blended together in Ps. Lens was the Otus 85/1.4.

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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