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the last word

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

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Archives for 2012

A new series

April 8, 2012 JimK Leave a Comment

  I’m going start posting some work from a brand new series. I don’t know where it’s going, but I think it has a lot of potential. You’ll get to see all but the worst mistakes and sidetracks. The idea behind the new, currently nameless, series is that the vertical dimension of the image is… [Read More]

The Last Word

Sloof Lirpa announces a new camera

April 1, 2012 JimK Leave a Comment

Sloof Lirpa Photographic Industries has announced another breakthrough camera today. For a look at one of their previous products, click here. The new Sloof Lirpa camera owes its existence to technology developed outside the photographic field. As in the case of many scientific and technical discoveries, such as the invention of vulcanized rubber, accident played… [Read More]

The Last Word

New camera to be announced Sunday

March 28, 2012 JimK Leave a Comment

I’ve been restrained by a non-disclosure agreement I’ve signed, but be sure you watch for a significant announcement from Sloof Lirpa on Sunday. It’s not for everyone, but their new camera represents a major rethinking of digital photography. I’ll be reporting it here when the current embargo period is over.  

The Last Word

New iPad OOBE, part 4

March 26, 2012 JimK 2 Comments

Almost done with the iPad 3, unless something goes seriously wrong… People ask me, “Does it get hot?” Well, yes, hotter than either of its predecessors. It’s the inevitable result of pushing processor speed, communications speed, and display resolution faster than chip process improvements can shrink the feature size.  It’s ultimately a dead end, and I… [Read More]

The Bleeding Edge

New iPad OOBE, part 3

March 22, 2012 JimK Leave a Comment

It having been the requisite 72 hours since my Verizon cellular data account had been reprovisioned on the Verizon end, I called Verizon tech support again. I asked the first tech to transfer me to the iPad specialist. After a five minute wait, a new tech came on the line. He didn’t have any of… [Read More]

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

  • JimK on Calculating reach for wildlife photography
  • 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?
  • Mike MacDonald on Your photograph looks like a painting?
  • bob lozano on The 16-Bit Fallacy: Why More Isn’t Always Better in Medium Format Cameras
  • 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

Archives

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Unless otherwise noted, all images copyright Jim Kasson.