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the last word

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

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Archives for 2011

More images in COLOR Magazine

February 9, 2011 JimK 3 Comments

Yesterday, I received a nice e-mail: Congratulations! Your entry in the COLOR Single Image Contest 2011 has been selected for a Bronze Award, which means that one of your images will be published in the Special Issue #13 of COLOR magazine scheduled to arrive on newsstands early March. There are only 15 winners in this… [Read More]

The Last Word

Triggering resampling to 720 ppi

February 9, 2011 JimK Leave a Comment

Through a combination of research and further experimentation, I’ve figured out that checking the “Finest Detail” option box in the Epson 3880 driver is the thing that tells it to resample the image at 720 ppi instead of 360 ppi. The 2880/1440 resolution setting tells the halftoning algorithm not to use any but the smallest… [Read More]

Technical

Resampling for printing – summary

February 8, 2011 JimK 1 Comment

Have you been looking at the last couple of weeks’ posts and been wondering what to make of it all? So have I. Here’s what I think: The marking engine (printer engineering talk for the collection of parts that lays down the ink, or toner, or whatever) of the Epson 3880 is capable of consistent… [Read More]

Technical

Printing at 2880/1440 dpi & 720 ppi

February 7, 2011 JimK Leave a Comment

My previous testing at 2880/1440 dpi didn’t show much more resolution than printing at 1440/720 dpi, but I thought I’d print out the resampling target sampled to 720 ppi with the printer driver set to 2880/1440 dpi to see if the smoothness was improved. I picked the “Finest Detail” option to force resampling to 720… [Read More]

Technical

Resampling for printing with QImage

February 6, 2011 JimK Leave a Comment

John Schwaller and others have recommended a program called QImage for resampling images for printing. I bought a copy – it’s only 90 bucks – and tried it out. The program works sort of like a RIP, but without actually doing the rasterizing, since it only accepts files that are already rasterized. You can import… [Read More]

Technical, The Bleeding Edge

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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.