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the last word

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

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Archives for September 2015

Cruising with the Sony a7RII – local color

September 26, 2015 JimK Leave a Comment

We stopped at some fishing villages, and there were  interesting things to photograph.                

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Cruising with the Sony a7RII – getting around

September 25, 2015 JimK Leave a Comment

This is a continuation of a report on a trip with the Sony a7RII. The series starts here. Rather than post more pretty pictures from the Alaska trip today, I thought that I’d show some things that might be useful to photographers planning something similar. Here’s an inflatable (which I’ll call a Zodiac, even though,… [Read More]

The Last Word

Cruising with the Sony a7RII – stitchery

September 24, 2015 JimK 1 Comment

This is a continuation of a report on a trip with the Sony a7RII. The series starts here. I made six or seven thousand exposures on the trip. Close to 90% of those were destined to be components of panoramas that I planned to stitch once I got back home. I made images for panoramas… [Read More]

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Cruising with the Sony a7RII – Exposure strategy

September 23, 2015 JimK 12 Comments

This is a continuation of a report on a trip with the Sony a7RII. The series starts here. I ended up using ISO 100 and ISO 800 for virtually all my exposures on the Alaska trip. Since the a7RII is fairly ISOless from ISO 100 through ISO 500, there is little reason to use ISO… [Read More]

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Cruising with the Sony a7RII – equipment failure.

September 22, 2015 JimK 8 Comments

Two years ago, I took a boat trip from Montreal down the St. Lawrence and through the Canadian Maritime Provinces. I took a Sony RX1 and a Leica M240. The Sony didn’t survive the first leg of the journey, and I used the Leica exclusively. This occurrence was the source of some merriment on one… [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

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  • 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

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