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the last word

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

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Fuji 45-100/4, 32-64/4 on GFX 100

February 21, 2020 JimK 3 Comments

The Fujifilm 32-64/4 is a great lens. Up until a few days ago, I said it’s the second-best zoom I’ve ever tested, bested only  by the Nikon 180-400/4, which is playing in a different league in both focal length and price. Since there is so much overlap between the ranges of the 32-64 and the… [Read More]

GFX 100, GFX 50S

Fuji 45-100/4 on GFX 100 — screening

February 20, 2020 JimK 2 Comments

The new Fujifilm 45-100 mm f/4 R LM OIS WR (hereafter yclept the 45-100/4) arrived today. I performed my usual lens screening test. Here’s the scene, at 60 mm. I moved the target as I changed focal lengths. Target distance varied between 28 and 40 meters. I made the exposures with the following setup: The… [Read More]

GFX 100, GFX 50S

Optical low-pass filters and the Fuji GFX 50S and 50R

February 17, 2020 JimK 4 Comments

This is the fifth post on balancing real and fake detail in digital images. The series starts here. In the last post, I looked at what advantages would obtain if the Fuji GFX 100 and the Sony a7RIV had an optical low-pass anti-aliasing filter (OLPF or AA filter). It seems to me that those cameras… [Read More]

The Last Word

Optical low-pass filters and high-resolution cameras

February 16, 2020 JimK 4 Comments

This is the fourth post on balancing real and fake detail in digital images. The series starts here. A reader asked me to look into the effects of optical low-pass filters (OLPFs) on sub-Nyquist sharpness and aliasing. It was an interesting exercise for me, and I hope you’ll be interested in the results. Such filters… [Read More]

The Last Word

No D6 review in the works

February 13, 2020 JimK 2 Comments

I’ve received some queries about a future Nikon D6 review. I thought hard about doing one, and I’ve decided to take a pass on the D6. The improvements over the D5 seem modest at best, and I’m not particularly interested in the AF improvements, which are probably the most significant ones in the new camera…. [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

  • Mike MacDonald on Your photograph looks like a painting?
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  • bob lozano on The 16-Bit Fallacy: Why More Isn’t Always Better in Medium Format Cameras
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  • 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

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Unless otherwise noted, all images copyright Jim Kasson.