the last word

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

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You’re an old photographer if you can remember…

June 27, 2022 JimK 10 Comments

You’re an old photographer if you can remember: The smell of a freshly opened canister of Kodachrome 135. When those canisters were made of aluminum and had screw-on tops. Having a bunch of those aluminum canisters in your camera bag to hold various small bits. Buying 35mm film in 100-foot rolls and loading the cassettes… [Read More]

The Last Word

DNS maintenance in progress

June 22, 2022 JimK Leave a Comment

Some of you have noticed intermittent unavailability of this blog with a 502 error message. My hosting service, which is currently running the domain name server for the site, says the problem is with their name server, and is unlikely to be fixed in the near future. They recommend switching to another name server. So… [Read More]

The Last Word

Leica Q2 highlights at ISO 100 — images

May 24, 2022 JimK 4 Comments

This is the 13th post in a series about the Leica Q2 Monochrom. You can see all the other posts in the series by looking in the Category List drop-down menu on the right side of the page. The more I try to understand what’s going on with the Q2M ISO highlights, the more complicated… [Read More]

Leica Q2 Monochrom, The Last Word

An AA workshop in the golden era

May 20, 2022 JimK 3 Comments

I posted this picture of Ansel Adams on the DPR medium format forum. I made it in August, 1983, at one of the annual Friends of Photography Ansel Adams workshops at Weston Beach in Point Lobos, never printed it, and found it yesterday when I was going through some old negs for scanning. The workshop… [Read More]

The Last Word

How to practice

May 20, 2022 JimK 1 Comment

Someone on DPR asked about one of the Ansel Adams Friends of Photography workshops that I attended in 1983. In preparation for answering the question, I consulted a notebook that I used for every workshop I’ve taken. My first session was with Ruth Bernhard, who had brought her assistant, Michael Kenna, along. One of the… [Read More]

The Last Word

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Articles

  • About
    • Patents and papers about color
    • Who am I?
  • Good 35-70 MF lens
  • How to…
    • Backing up photographic images
    • How to change email providers
  • 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 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

  • Brian Olson on Fuji GFX 100S exposure strategy, M and A modes
  • JimK on Picking a macro lens
  • JimK on Picking a macro lens
  • Glenn Whorrall on Picking a macro lens
  • JimK on What pitch do you need to scan 6×6 TMax 100?
  • Hatzipavlis Peter on What pitch do you need to scan 6×6 TMax 100?
  • JeyB on Internal focusing 100ish macro lenses
  • JimK on How focus-bracketing systems work
  • Garry George on How focus-bracketing systems work
  • Rhonald on Format size and image quality

Archives

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Unless otherwise noted, all images copyright Jim Kasson.