

Nikon D850 Buffer Capacity Reality Testing
Find out how Sony XQD and Lexar Professional 1000X cards perform with the Nikon D850 camera shot buffer.
Ed Dozier
Sep 20, 2019


Sigma Focus Algorithms: Speed versus Accuracy
Sigma lets you program their lenses with different autofocus algorithms. This article explains why you really need this feature.
Ed Dozier
Sep 7, 2019


Sigma TC-1401 1.4X Teleconverter Review
Review of the Sigma TC-1401 Teleconverter on their 70-200 f/2.8 Sport lens. See just how good it is with real measurements.
Ed Dozier
Aug 24, 2019


Sigma 70-200mm f/2.8 DG OS HSM Sport Review
An in-depth analysis of the Sigma 70-200 f/2.8 Sport lens. Get real MTF50 numbers on resolution and focus speed timing.
Ed Dozier
Aug 10, 2019


Nikon Custom Settings Banks versus Photo Shooting Banks
Clear up the confusion between Nikon Custom Settings Banks and Photo Shooting Banks. How to use those banks effectively.
Ed Dozier
Jul 27, 2019


F-stop Fun Facts
Did you ever wonder how they decided upon camera lens f-stop numbering? Lots of interesting facts about lens f-stops and more.
Ed Dozier
Jul 10, 2019


How Lens Optical Stabilization Works
Demystify how lens optical stabilization actually works. Learn amazing facts about the technology and history behind lens vibration reductio
Ed Dozier
Jun 18, 2019


Lightroom Radial Filter: The Spotlight
The Lightroom mask called “Radial Filter” is much more useful than you think. Learn more about it here.
Ed Dozier
Jun 4, 2019


Sigma Lens Focus Algorithm Comparison
If you buy Sigma’s USB dock to reprogram their lenses, it gives you the option to not only update their lens focus firmware, but also...
Ed Dozier
May 19, 2019


Make a Flash Diffuser for Free
Make a rugged and perfectly functional flash diffuser for free. Here's how to do it and why you want one of these.
Ed Dozier
Apr 30, 2019



















