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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

iPhone 4s OOBE — part 2

October 30, 2011 JimK Leave a Comment

There is not much to say about settling in with the iPhone 4s. It’s an iPhone, like most of the other iPhones, except faster. The big difference is Siri, and, since you probably read about her other places, I’m not going to say much. I’ve used a lot of devices and programs with a speech… [Read More]

The Bleeding Edge

IPhone 4s OOBE – part 1

October 28, 2011 JimK Leave a Comment

The FedEx guy handed me the package at 11 o’clock. Not a very big box, but whatever was in it was much smaller than the container, and was rattling around. I opened it up. iPhone, check. Belkin neoprene case, check. Packing slip, check. Plastic bag to send back the old phone, check. Impact-absorbing packing material?… [Read More]

The Bleeding Edge

iPhone 4s OOBE — the preface

October 28, 2011 JimK 2 Comments

Shortly after Apple’s announcement of the iPhone 4s, I got an e-mail from Verizon. It said that, although my Droid X has eight months to go on its contract, I could buy my way out of the rest of my obligation for 20 bucks if I change my phone to the 4s. I went for… [Read More]

The Bleeding Edge

Further thoughts on the Epson 4540

October 22, 2011 JimK Leave a Comment

When I did a nozzle test, I was surprised to find that there are four sets of black nozzles, and one set each for cyan, magenta, and yellow. It looks like the printer is optimized for black-and-white (as opposed to color) speed. Given my application, that makes perfect sense. The printer does a credible job… [Read More]

The Bleeding Edge

Epson WP4540 OOBE

October 11, 2011 JimK Leave a Comment

The printer arrived in a very large box, but the container was much smaller than that of a high-function laser printer. It was also much lighter. Unpacking and hardware set up was pretty simple: snap a few parts together and play the usual Epson “see if you can find all the blue tape” game. I… [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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  • Manu on Sony 135 STF on GFX-50R, bokeh visuals
  • John Griffin on The 16-Bit Fallacy: Why More Isn’t Always Better in Medium Format Cameras
  • JimK on How Sensor Noise Scales with Exposure Time
  • Štěpán Kaňa on Calculating reach for wildlife photography
  • Štěpán Kaňa on How Sensor Noise Scales with Exposure Time
  • JimK on Calculating reach for wildlife photography
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  • JimK on Calculating reach for wildlife photography
  • Geofrey on Calculating reach for wildlife photography

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