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the last word

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

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Nikon 58mm f/0.95 Noct on Z7: Siemens star, corner

July 13, 2024 JimK Leave a Comment

LensRentals has loaned me a Nikon 58 mm f/0.95 Noct for testing. I tested using a Zeiss Siemens star target 25 feet away with the lens mounted on a Z7 body. The particulars: Edelkrone Tripod X Pro Arca Swiss C1 Manual exposure EFCS ISO 64 Delay set to 5 seconds Six shots per f-stop Target… [Read More]

Nikon Z6/7

Nikon 58mm f/0.95 Noct on Z7: Siemens star on axis

July 13, 2024 JimK Leave a Comment

LensRentals has loaned me a Nikon 58 mm f/0.95 Noct for testing. My first test was using a Zeiss Siemens star target 25 feet away on-axis with the lens mounted on a Z7 body. The particulars: Edelkrone Tripod X Pro Arca Swiss C1 Manual exposure EFCS ISO 64 Delay set to 5 seconds Six shots… [Read More]

Nikon Z6/7

Hasselblad XCD 135/2.8 Summary

July 3, 2024 JimK 1 Comment

The Hasselblad XCD 135/2.8 is one of the first batch of lenses for the Hasselblad X1D and X2D (X mount) cameras. It is usually sold bundled with a matched 1.7x teleconverter (TC) and a tripod collar that attaches to the TC. Except for the focusing ring, the lens is completely devoid of controls – everything… [Read More]

X2D

Direct feedback and learning

June 28, 2024 JimK 5 Comments

I was having a conversation on-line today about workshops. I was extolling their virtues for improving your photography, and the other person wasn’t buying it. They said that because of the instant feedback that modern digital cameras provide, you could be your own teacher at least as effectively as learning from someone else. We debated,… [Read More]

The Last Word

Your photograph looks like a painting?

June 25, 2024 JimK 6 Comments

Almost every time I have an exhibition, people take me aside and tell me how much one or more images look like paintings. From their tone of voice, they consider that to be a compliment. In the past, I’ve asked them why that thought that, and not received answers that I could truly understand. Now,… [Read More]

The Last Word

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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.