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

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Archives for January 2023

Christmas tree light bokeh with the XCD 38V on the X2D

January 2, 2023 JimK 2 Comments

This is the 41st in a series of posts on the Hasselblad X2D 100C camera and the XCD lenses. You will be able to find all the posts in this series by looking at the righthand column on this page and finding the Category “X2D”. I previously reported on how the oddball mechanical shutter in… [Read More]

X2D

The report on the CXD 90V will be delayed

January 2, 2023 JimK 3 Comments

In the last post, I said that Hasselblad was shipping me a XCD 90V lens to review. When I wrote that post, we had not worked out when I’ll be able to publish the results. Now we have, and Hasselblad wants me to hold the review until they give the word. So there will be… [Read More]

X2D

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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

  • NiceDays on Do Raw Developers Use the Embedded JPEG as a Color Reference?
  • Christer Almqvist on Diffraction and the Airy disk diameter
  • Paul R on Price and Performance: Hasselblad X vs. Fujifilm GFX
  • JimK on Do Raw Developers Use the Embedded JPEG as a Color Reference?
  • Jack Hogan on Diffraction and the Airy disk diameter
  • Jack Hogan on Do Raw Developers Use the Embedded JPEG as a Color Reference?
  • Štěpán Kaňa on A Modest Proposal
  • John Vickers on Mitigating lighting banding in GFX ES images
  • JimK on A Modest Proposal
  • K on Hasselblad XCD 38/2.5 on X2D 100C, LaCA

Archives

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Unless otherwise noted, all images copyright Jim Kasson.