

Autofocus Lens Stepping Motors Explained
A detailed tutorial on how camera lens stepping motors function to focus a lens. These lenses use piezoelectric ultrasonic technology.
Ed Dozier
1 hour ago
4 views


Comparing Photo Editors for Fixing Chromatic Aberration
Compare how Lightroom, Capture One, ON1 Photo Raw, and Zoner Photo Studio fix lateral chromatic aberration. All editors are NOT equal.
Ed Dozier
May 9
21 views


Nikkor Z 28-400mm f/4-8 VR Parfocal Analysis
A detailed study analyzing the Nikkor Z 28-400 f/4-8 ability to maintain focus while zooming. This lens is parfocal.
Ed Dozier
Apr 25
42 views


Nikkor Z 28-400 f/4-8 VR Lens Review
A detailed review of the Nikkor Z 28-400 f/4-8 VR lens with lots of sample shots. A better lens than you might think.
Ed Dozier
Apr 11
156 views


Nikkor Z 28-400mm f/4-8 VR Chromatic Aberration Analysis
A detailed analysis of both lateral and longitudinal chromatic aberration in the Nikkor Z 28-400 f/4-8 VR lens. Shows editors fixing it.
Ed Dozier
Mar 28
68 views


Nikkor Z 28-400mm f/4-8 VR Resolution Analysis
A comprehensive analysis of the Nikkor Z 28-400 f/4-8 VR lens resolution. Impressive results for a 14.3X zoom.
Ed Dozier
Mar 14
103 views


Nikon Z9, Z8 LCD Monitor Lag Measurements
Measuring the Nikon Z8 and Z9 rear monitor time lag compared to a real-time display.
Ed Dozier
Mar 1
594 views


How to Measure Nikon ‘Z’ Lens Auto-Focus Speed
Tutorial on how to accurately measure a Nikon 'Z' lens auto-focus speed.
Ed Dozier
Feb 14
109 views


How Far Should You Zoom In with that Lens?
Maximum zoom on your lens might be a bad idea. Here's how to find out your optimal zoom for best resolution.
Ed Dozier
Jan 24
211 views


Batch Processing with the Capture One Editor
How to automatically apply your edits of a single photo to many others using Capture One. Includes special procedures to batch-crop photos.
Ed Dozier
Jan 10
106 views