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the last word

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

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Archives for September 2011

The big lighting giveaway

September 20, 2011 JimK Leave a Comment

In my last post, I talked about some really bad lighting in a couple of movies from the 60s. Lighting has improved a lot since then, but there’s one place where, even today, almost nobody gets it right. Picture a scene. The hero and heroine are sitting by a window. He’s telling her some terrible… [Read More]

The Last Word

Bad Lighting

September 17, 2011 JimK 1 Comment

We photographers are consumed with lighting and light. It’s right up there with where to stand, where to point the camera, and when to release the shutter. In the last two days, I’ve watched two movies with unrealistic lighting – lighting so bad that it shatters the willing suspension of disbelief necessary to enjoy a… [Read More]

The Last Word

I’ve been cropped!

September 12, 2011 JimK 3 Comments

A few months ago, woman who is starting a magazine (a courageous woman, given the state of the print publishing industry) asked me if she could run some pictures from This Green Growing Land, my series on farm workers. I asked her about context. She said that the publication, Edible Monterey Bay, was a regional… [Read More]

The Last Word

VoIP — part 8

September 5, 2011 JimK Leave a Comment

The new PBX is not fully shaken down, but I’m far enough along that I can offer some (provisionally) final thoughts. Having an IP internal phone network and analog trunks is probably not optimum. To get all the advantages of VoIP, you want IP trunks. However, there are advantages to an IP local voice network:… [Read More]

The Bleeding Edge

VoIP — part 7

September 4, 2011 JimK Leave a Comment

One nice thing about IP PBXs: any computer can be a phone. NEC provides software to do just that. You have to buy a license and install it on the PBX, and after that, you just put on your headset, launch the app – which takes a minute or so to establish communications with the… [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

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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
  • Renjie Zhu on Fujifilm GFX 100S II precision
  • JimK on Fuji 20-35/4 landscape field curvature at 23mm vs 23/4 GF
  • Ivo de Man on Fuji 20-35/4 landscape field curvature at 23mm vs 23/4 GF
  • JimK on Fuji 20-35/4 landscape field curvature at 23mm vs 23/4 GF
  • JimK on Fuji 20-35/4 landscape field curvature at 23mm vs 23/4 GF

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