

Nikon Zoom Lens Internal Workings
This article shows how the Nikkor 55-300mm f/4.5-5.6G AF-S ED VR DX lens internals work in detail to accomplish zooming and focusing. Most Nikon zooms work similarly to this lens.
Ed Dozier
Jun 20


TTArtisan 50mm f/0.95 Z Lens Love-Hate Relationship
The TTArtisan 50mm f/0.95 Z lens has terrible specifications, but it still manages to be one of my favorites. It has a 'look' for nighttime shots that is just wonderful. Check out these shots.
Ed Dozier
Jun 6


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
May 23


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


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


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


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


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


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
Feb 28


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


















