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the last word

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

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Resolution vs Quality in Images

December 30, 2004 JimK 1 Comment

Back in the late 80s and early 90s, when I was doing digital photography research, there was a popular topic in the bar at technical conferences: what would it take for digital capture to equal 35mm quality? It was clear that we needed a whole lot more dynamic range; in those days the highly-portable sensors… [Read More]

The Last Word

Can You Believe a Photograph?

March 30, 2004 JimK Leave a Comment

Serious practitioners of conventional photography know of the many ways that they can stage-manage the truth. It starts in the field. Where do you point the camera? What do you ask of your subjects? Do you move things? What do you leave out? When do you trip the shutter? How do you exploit lens distortions?… [Read More]

The Last Word

So you really love film…

December 31, 2003 JimK Leave a Comment

Ten things to do with a digital camera, even if you’re a film-based photographer See what things look like in black and white. The sensor in your digital camera doesn’t have the same spectral response as the film you’re using, and the LCD display on the back of the camera is small, but it’s a… [Read More]

The Last Word

Sharpening Pencils

September 30, 2003 JimK 2 Comments

I call it sharpening pencils: the things that you do to get ready to do the real work. Writers used to actually sharpen pencils. Painters still clean brushes. And photographers? Photographers do a lot of things: test film, mix chemicals, calibrate light meters… Sharpening pencils can be a good thing; if you write with a… [Read More]

The Last Word

Silver Printing with Printed Negatives, part 2

June 30, 2003 JimK Leave a Comment

Last time I promised you my take on producing negatives for silver printing on an inkjet printer. This is quite a challenge, because silver gelatin prints are so crisp and subtle that they reveal tiny flaws in the negatives. Roll up your sleeves, and prepare to get some vicarious ink beneath your fingernails, ‘cause here… [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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  • Geofrey on Calculating reach for wildlife photography
  • Javier Sanchez on The 16-Bit Fallacy: Why More Isn’t Always Better in Medium Format Cameras
  • Mike MacDonald on Your photograph looks like a painting?
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  • JimK on Goldilocks and the three flashes
  • DC Wedding Photographer on Goldilocks and the three flashes
  • 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

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