

Sigma 150-600 C with Sigma TC-1401 Teleconverter
Performance and resolution analysis of the Sigma 150-600 combined with the Sigma TC-1401 teleconverter
Ed Dozier
Jun 14, 2020


Roxant Stabilizer Pro Video Camera Support
How to set up your Roxant Stabilizer Pro to make professional-looking video.
Ed Dozier
Jun 1, 2020


Lens Auto-Focus Speed versus Light Level
How does the light level affect your len autofocus speed? Get some real numbers for typical lenses.
Ed Dozier
May 17, 2020


Extreme Perspective Photography Suggestions
Tips on getting your lens into positions your eyes can never go. Show the world from a different vantage point.
Ed Dozier
May 2, 2020


High-Res Camera Sensors: Worth It?
Does your lens eventually stop seeing improvement with higher resolution sensors? Real measurements show what happens.
Ed Dozier
Apr 18, 2020


Update a Fresh Lightroom 6 Install to Version 6.14 Without Adobe’s Help
You may be surprised to learn that you can't update a new Lightroom6 install any more. This procedure may help.
Ed Dozier
Apr 2, 2020


How to Update Lightroom 6.14 with Lens Profiles After Adobe Has Ceased Support
Get new lens profiles even after Adobe has stopped support for your standalone Lightroom.
Ed Dozier
Mar 19, 2020


Phase Detect Versus Contrast Detect Focus Accuracy
Contrast-detect focus is supposed to be superior to phase-detect focus accuracy, right? Let's reality-test this notion.
Ed Dozier
Mar 7, 2020


Nikon AF Nikkor 75-300 f/4.5-5.6 Zoom
Old Nikkor zoom from the 1990's is better than you'd expect. Get some real measurement results on how good.
Ed Dozier
Feb 22, 2020


Nikon AF Nikkor 75-300 f/4.5-5.6 Zoom
This lens harkens back to the early era of Nikon zoom lenses, when everyone was still using 35mm film. It was manufactured from 1989...
Ed Dozier
Feb 22, 2020



















