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the last word

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

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Archives for 2016

Stitching as a medium format alternative?

January 4, 2016 JimK 2 Comments

Yesterday, I made the following remark apropos of the Sony 100 megapixel sensor: If your subject will hold still, you could probably duplicate the results with a three-shot pano on the a7RII. Except for the “P1 color” (just kidding about the color, although I bet the CFA is different). I was challenged by a reader… [Read More]

The Last Word

Sony breathes life into medium format

January 4, 2016 JimK 1 Comment

Yesterday, Phase One announced a new camera, the first with a nearly full size 645 CMOS sensor. I think this marks a pivotal moment in the medium format world, not so much because of the camera, but because of the chip. Let me back up a bit, and tell you why. About a year ago,… [Read More]

The Last Word

How I’m doing

January 2, 2016 JimK 2 Comments

I’ve gotten a few inquiries into how my recovery is proceeding. In a word, well. I’ve been walking without a cane for a month. My leg is, on balance, about as good as it was before the operation. I can do some things better, and some things are not yet up to where they were… [Read More]

The Last Word

A few of my favorite things

January 1, 2016 JimK 8 Comments

As we enter the new year, my thoughts turn to some of the things that have made my photographic life easier, more enjoyable, and more successful. Here are a few that come to mind. Geared tripod heads Once you’ve become accustomed to a geared head like the Arca Swiss C1 or D4, everything else will… [Read More]

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Focal length affinity

January 1, 2016 JimK Leave a Comment

There was a discussion on the ‘net this morning about a search for a 35mm full frame lens that had characteristics the OP couldn’t quite describe. At one point, several wondered if he really wanted a 35mm lens at all. Someone said: Although it takes some years to develop, most people have a personal eye… [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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  • Javier Sanchez on The 16-Bit Fallacy: Why More Isn’t Always Better in Medium Format Cameras
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  • Mike MacDonald on Your photograph looks like a painting?
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  • JimK on Goldilocks and the three flashes
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Archives

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