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the last word

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

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Traveling with the iPad

May 21, 2010 JimK Leave a Comment

I just returned from a five day trip to the East Coast. I went to my 50th high school reunion, and I captured some images in New York City. I traveled with both my iPad and a ThinkPad X300, and it was a good opportunity to see which things each computer did best. It would’ve… [Read More]

The Bleeding Edge

Drobo FS: are those disks really bad?

May 4, 2010 JimK Leave a Comment

I got a call from Data Robotics tech support. The tech said that, although it was a long shot, that I should download the disk diagnostics for the Western Digital web site, and run them on the four disks that had problems in the Drobo, both the disks that kept the Drobo from booting and… [Read More]

The Bleeding Edge

Getting down to business with the Drobo FS

April 30, 2010 JimK 5 Comments

I called Drobo customer support. Actually, I called Drobo sales, since there doesn’t seem to be a separate customer support operation. The salesperson was very helpful. He said that normally they tell customers with disk failures to go to the manufacturer for replacements, but, since I’d had four out of five fail, he’d call the… [Read More]

The Bleeding Edge

Another Drobo hard disk failure

April 27, 2010 JimK 3 Comments

The new Drobo FS is indicating yet another hard drive failure, bringing the total to four out of five. I have loaded two more WD 2TB Caviar Green disks from my stock of spares, so I have three working disks at this point. I’ll let you know how I make out with Drobo customer support… [Read More]

The Bleeding Edge

Drobo FS OOBE

April 27, 2010 JimK 15 Comments

I’m just a glutton for punishment. Last week, I struggled with getting a USB-attached Drobo to allow a server to boot properly. Yesterday, I unpacked a new Drobo FS. I’d like to tell you about it. The Drobo packing is not in the Apple league for style and elegance, but it’s darn good. They printed… [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

  • 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
  • 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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Unless otherwise noted, all images copyright Jim Kasson.