Sigma 150-600 Firmware Update 1.02 for Nikon D500
Fix overexposure using the Sigma TC-1401 teleconverter with the Nikon D500 and 150-600 lens
Ed Dozier
Nov 18, 2018
Nikon Z Camera Lens Design Brilliance
One of the smartest things Nikon has done since 1959. Their new lens Z-mount with a 55mm throat diameter and 16mm “flange-focal" distance.
Ed Dozier
Nov 14, 2018
Test Lens Coma Yourself
Understanding coma and how to test your lens for it.
Ed Dozier
Nov 8, 2018
Lightroom Masking
How and why to use Lightroom masking for selective edits to improve your photos.
Ed Dozier
Oct 26, 2018
The Darktable Photo Editor, Part 3: Tethered Shooting in Windows 10
Darktable can do more than edit your photos; it can also help you capture them with your camera attached via a USB cable. I explain how.
Ed Dozier
Oct 11, 2018
The Darktable Photo Editor, Part 2: Image Masking
Here is how to perform image masking using the free Darktable photo editor.
Ed Dozier
Sep 28, 2018
The Darktable Photo Editor, Part 1: Overview
Darktable is a free multi-platform, raw-image editor and camera control program. Here is an introduction to this powerful editor.
Ed Dozier
Sep 15, 2018
Tamron AF 24-70mm f/3.3-5.6 Aspherical Review
The Tamron AF 24-70 f/3.3-5.6 is the very first 24-70 zoom. Here is a detailed review and MTF50 resolution analysis of this pioneering lens
Ed Dozier
Sep 3, 2018
Infrared Filter Comparisons: Hoya, BCI, Neewer, Zomei
Compare the Hoya, BCI, Neewer, and Zomei filters for infrared photography.
Ed Dozier
Aug 18, 2018
Camera Infrared Filter Resolution and Focus Shift Testing
Some real MTF50 resolution measurements using infrared filters and their focus shift impacts.
Ed Dozier
Aug 10, 2018
