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You are here: Home / Archives for Printers

Epson P800 — high speed or not?

September 13, 2019 By JimK 4 Comments

This is a continuation of testing that I’ve been doing on the Epson P800 printer. I’ve created a category called “Printers”, and put this post in that category. I will go back and find all the previous posts in this series and put them in the same category. If you go to the Category List… [Read More]

Epson P800 — graphics at 720 ppi

September 12, 2019 By JimK 6 Comments

This is a continuation of testing that I’ve been doing on the Epson P800 printer. I’ve created a category called “Printers”, and put this post in that category. I will go back and find all the previous posts in this series and put them in the same category. If you go to the Category List… [Read More]

Epson P800 drop size

September 12, 2019 By JimK Leave a Comment

This is a continuation of testing that I’ve been doing on the Epson P800 printer. I’ve created a category called “Printers”, and put this post in that category. I will go back and find all the previous posts in this series and put them in the same category. If you go to the Category List… [Read More]

Epson P800 720 ppi MTF curves

September 11, 2019 By JimK 6 Comments

This is a continuation of testing that I’ve been doing on the Epson P800 printer. I’ve created a category called “Printers”, and put this post in that category. I will go back and find all the previous posts in this series and put them in the same category. If you go to the Category List… [Read More]

Dot gain in the Epson P800

September 9, 2019 By JimK 3 Comments

This is a continuation of testing that I’ve been doing on the Epson P800 printer. I’ve created a category called “Printers”, and put this post in that category. If you go to the Category List (on the right in the desktop formatting), find “Printers” and click on it, you’ll see all the posts in the… [Read More]

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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
  • 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 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

  • Anthony New on Camera resolution and 4K viewing — summary
  • Ilya Zakharevich on Does repeated JPEG compression ruin images?
  • JimK on Does repeated JPEG compression ruin images?
  • JimK on Does repeated JPEG compression ruin images?
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  • JimK on Detectability of visual signals below the noise
  • JimK on Does repeated JPEG compression ruin images?
  • Bill Claff on Detectability of visual signals below the noise
  • Mike B on Does repeated JPEG compression ruin images?
  • Robert Frangioso on Leica 280/4 Apo-Telyt R on GFX 50R in infrared

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Unless otherwise noted, all images copyright Jim Kasson.