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

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

Ed Dozier
- Apr 29, 2017
Does the D500 Automatic Focus Fine-Tune Calibration Work?
Detailed evaluation of the Nikon D500 automatic focus fine-tune feature.
2,583 views

Ed Dozier
- Apr 21, 2017
Infrared Photography and the Nikon D500
Evaluating the Nikon D500 for infrared photography.
1,732 views

Ed Dozier
- Apr 8, 2017
SnapBridge and D500 Remote Control
Evaluating the use of SnapBridge with the Nikon D500 for remote shooting.
3,018 views

Ed Dozier
- Mar 7, 2017
“Safe” Storage of Camera Gear
Find out what 'safe' storage of your camera gear really means.
1,013 views

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


Ed Dozier
- Sep 4, 2016
Sigma 150-600 Contemporary OS Anti-Vibration Algorithm Comparison
Sigma 150-600 OS anti-vibration algorithm choice comparison with real measurements.
3,381 views

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