• site home
  • blog home
  • galleries
  • contact
  • underwater
  • the bleeding edge

the last word

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

You are here: Home / Home

Take More Crappy Pictures in 2019!

February 12, 2019 JimK 3 Comments

Jason Bradley penned this and sent it out in one of his newsletters. I liked it so much that I asked for his permission to show it to you all here as a guest post. Thanks, Jason, and take it away Here we are, well into the new year and with a good head start… [Read More]

The Last Word

Why we photograph

February 11, 2019 JimK 6 Comments

A friend of mine is fond of saying: “If you buy a violin, you own a violin; if you buy a camera, you are a photographer.” Hold that thought. I’ve been thinking recently about why so many people seem to talk past each other on photography boards and have decided that a part of the… [Read More]

The Last Word

Dealing with focus shift with native lenses on the Fuji GFX

February 2, 2019 JimK 6 Comments

This is a continuation of a series of posts on the Fuji GFX 50S.   You should be able to find all the posts about that camera in the Category List on the right sidebar, below the Articles widget. There’s a drop-down menu there that you can use to get to all the posts in this series;… [Read More]

GFX 50S

Light falloff vs distance for round sources

February 1, 2019 JimK 3 Comments

Most serious photographers, engineers, and scientists know about the inverse-square relationship of light intensity versus distance from a point source. Double the distance, and you get a quarter of the photon flux that passes through a given plane area normal to the direction of the light. Most engineers and scientists — but surprisingly, not most… [Read More]

The Last Word

Testing for the MF look

January 27, 2019 JimK 18 Comments

There is a recurring theme in many Internet fora that there is a “look” to medium format (MF) images apart from their generally higher acutance and detail, even when shot with lenses and settings that are equivalent to their full-frame (FF) counterparts. The claim is that the look is so strong that it survives downsampling… [Read More]

GFX 50S

  • « Previous Page
  • 1
  • …
  • 152
  • 153
  • 154
  • 155
  • 156
  • …
  • 577
  • Next Page »
May 2025
S M T W T F S
 123
45678910
11121314151617
18192021222324
25262728293031
« Apr    

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 How Sensor Noise Scales with Exposure Time
  • Štěpán Kaňa on Calculating reach for wildlife photography
  • Štěpán Kaňa on How Sensor Noise Scales with Exposure Time
  • JimK on Calculating reach for wildlife photography
  • Geofrey on Calculating reach for wildlife photography
  • JimK on Calculating reach for wildlife photography
  • Geofrey on Calculating reach for wildlife photography
  • Javier Sanchez on The 16-Bit Fallacy: Why More Isn’t Always Better in Medium Format Cameras
  • Mike MacDonald on Your photograph looks like a painting?
  • Mike MacDonald on Your photograph looks like a painting?

Archives

Copyright © 2025 · Daily Dish Pro On Genesis Framework · WordPress · Log in

Unless otherwise noted, all images copyright Jim Kasson.