

A Better Way To Test Fisheye Lens Resolution
Using MTFMapper to measure resolution of a fisheye lens
Ed Dozier
Jul 28, 2017
765 views

Do Long Lenses Not Like Filters?
Some super telephotos just don't seem to like filters over their front element.
Ed Dozier
May 11, 2017
668 views

Does the D500 Automatic Focus Fine-Tune Calibration Work?
Detailed evaluation of the Nikon D500 automatic focus fine-tune feature.
Ed Dozier
Apr 29, 2017
3,141 views


Infrared Photography and the Nikon D500
Evaluating the Nikon D500 for infrared photography.
Ed Dozier
Apr 21, 2017
2,239 views


SnapBridge and D500 Remote Control
Evaluating the use of SnapBridge with the Nikon D500 for remote shooting.
Ed Dozier
Apr 8, 2017
3,611 views

“Safe” Storage of Camera Gear
Find out what 'safe' storage of your camera gear really means.
Ed Dozier
Mar 7, 2017
1,407 views

MTF Curves: Theoretical Versus Actual
How lens manufacturer theoretical MTF curves compare to real measured MTF curves.
Ed Dozier
Nov 19, 2016
361 views

MTF Mapper Version 0.5.8
MTFMapper version 0.5.8 new features review
Ed Dozier
Oct 13, 2016
379 views

Sigma 150-600 Contemporary OS Anti-Vibration Algorithm Comparison
Sigma 150-600 OS anti-vibration algorithm choice comparison with real measurements.
Ed Dozier
Sep 4, 2016
5,212 views

Sigma 150-600mm Contemporary Lens Firmware Updates
Sigma 150-600 firmware 1.02 detailed analysis, by the numbers.
Ed Dozier
Aug 21, 2016
331 views