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the last word

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

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Archives for December 2011

Sony NEX-7 noise

December 31, 2011 JimK 13 Comments

In a comment to the previous post, a reader challenged my assertion that the NEX-7 is a terrible lowlight camera because of high noise level above ISO 400. I’ve conducted some experiments to demonstrate what I’m talking about. Because noise needs to be evaluated at pixel for pixel or higher resolutions, I thought it would… [Read More]

The Bleeding Edge

Sony NEX-7 — further thoughts

December 29, 2011 JimK 6 Comments

I now have had the chance to make about a thousand exposures with the NEX-7. While I continue to believe that the user interface is a big step up from the NEX-5, I have found many annoyances with the new interface. As mentioned in the previous post, the focus-assist button is hard to find when… [Read More]

The Bleeding Edge

More “Staccato” images

December 20, 2011 JimK 4 Comments

It’s winter, and I’m returning to the Staccato series. I spent two nights photographing in LA last week, and here are the first two pictures that I processed from the trip.

The Last Word

Sony NEX-7 OOBE, part 2

December 17, 2011 JimK 4 Comments

The ergonomics of the NEX-7 are a huge improvement over the NEX-5. The three main controls, the two thumbwheels on top and a four-way rocker/selection control on the back, work very well. Their function changes according to the mode that camera’s in, which is a good thing once you get used to it, and somewhat… [Read More]

The Bleeding Edge

Sony NEX-7 OOBE

December 16, 2011 JimK Leave a Comment

When the Sony NEX-7 was announced last summer, I was immediately intrigued. In addition to more resolution – not an unalloyed blessing with an APS-C size sensor – it looked like Sony had completely reworked the NEX-5 controls, adding two thumbwheels in addition to the five position button on the back. I hated the user… [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 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
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  • 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?

Archives

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