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

You are here: Home / Archives for GFX 100S

The GF 100-200, the blind men, and the elephant

November 21, 2023 JimK 1 Comment

In Buddhist, Hindu, and Jain tradition, there is a parable that goes something like this: A group of blind men heard that a strange animal, called an elephant, had been brought to the town. None of them were aware of its form. They said: “We must know it by touch, of which we are capable”…. [Read More]

GFX 100, GFX 100 II, GFX 100S, GFX 50S

First light with the Swebo TC-1

November 28, 2022 JimK Leave a Comment

It’s not a very exciting picture, but it’s the first one I made with the Swebo TC-1. On the front of the tech cam was a Rodenstock 180mm f/5.6 HR Digaron. On the back was a Fujifilm GFX 100S. Some notes: The bellows and the monorail are long enough to allow the lens to focus… [Read More]

GFX 100S

FF equivalent focal lengths of Hasselblad XCD, Fuji GF lenses

November 23, 2022 JimK 7 Comments

The question of equivalent full frame focal lengths of the Fujifilm GF and Hasselblad XCD lenses comes up over and over. I thought I’d post that information here, and then I can link to it when the topic comes up again. There are three common ways to calculate equivalent focal lengths: by sensor width, by… [Read More]

GFX 100, GFX 100S, GFX 50S, X2D

Hasselblad X2D, GFX 100S long-exposure noise, 4.75 stop pushes

November 20, 2022 JimK 4 Comments

This is the 38th 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”. In the last post I looked at the shadow noise… [Read More]

GFX 100S, X2D

Long exposure noise in X2D 100C, GFX 100x, part 4

November 15, 2022 JimK 3 Comments

This is the 36th 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”. In the previous two posts, I looked at 15 minute… [Read More]

GFX 100S, 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

  • 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
  • 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.