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the last word

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

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Archives for 2015

A book report: stochastic screen pitch

May 3, 2015 JimK 2 Comments

This is post four in a series about my experiences in publishing a book. The series starts here. There’s another decision that I have to make about the book. Do I want it printed with 10 micron or 20 micron plates? That probably doesn’t mean much to you. But, if you’ve got some inkjet experience,… [Read More]

The Last Word

A book report: color managment

May 2, 2015 JimK 3 Comments

This is post three in a series about my experiences in publishing a book. The series starts here. In the 90s, when I was working at IBM as a color scientist with a special interest in color management, I worked with engineers from Kodak, Adobe, Xerox PARC, Apple, and hp on what we called in… [Read More]

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A book report: decisions, decisions

May 1, 2015 JimK 2 Comments

This is post two in a series about my experiences in publishing a book. The series starts here. I’m discovering that getting your first book published is a lot like building your first house. There are a lot of decisions to be made. You are unequipped to make those decisions, but if you don’t make… [Read More]

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A book report

May 1, 2015 JimK 41 Comments

I’ve decided to do a book of the Staccato  images. Not a short-run Blurb book printed on an hp Indigo, but the real deal printed on an offset press. In the past, I’ve posted my experiences with processes that some photographers go through, like going to a meat-market print review, and there’s been what passes… [Read More]

The Last Word

Nikon 300mm f/4E PF ED VR, Leica 280/4 Apo-Telyt-R

April 30, 2015 JimK 9 Comments

Yesterday, I posted some early testing results for the Nikon 300mm f/4E PF ED VR QP (I just threw that last pair of letters in there to see if you were paying attention)  on the Nikon D810. I have access to a cult lens of similar focal length and aperture, the Leica 280mm f/4 Apo-Telyt-R…. [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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Archives

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Unless otherwise noted, all images copyright Jim Kasson.