The Orton Effect
How to make the Orton Effect in Capture NX2 and Photoshop
Ed Dozier
Jan 21, 2017
Clean Your Camera Image Sensor
How to clean your camera sensor yourself: the video. It can be easier than you think.
Ed Dozier
Dec 19, 2016
Focus Stacking With Combine ZM
How to do focus stacking using the CombineZM program
Ed Dozier
Nov 21, 2016
MTF Curves: Theoretical Versus Actual
How lens manufacturer theoretical MTF curves compare to real measured MTF curves.
Ed Dozier
Nov 19, 2016
MTF Mapper Version 0.5.8
MTFMapper version 0.5.8 new features review
Ed Dozier
Oct 12, 2016
The Fallacy of Spray and Pray
Relying on your camera high frame rate to capture the peak action isn't a panacea. Here's why
Ed Dozier
Sep 25, 2016
Sigma 150-600 Contemporary OS Anti-Vibration Algorithm Comparison
Sigma 150-600 OS anti-vibration algorithm choice comparison with real measurements.
Ed Dozier
Sep 3, 2016
Sigma 150-600mm Contemporary Lens Firmware Updates
Sigma 150-600 firmware 1.02 detailed analysis, by the numbers.
Ed Dozier
Aug 21, 2016
Measure Axial Chromatic Aberration: MTF Mapper Part Deux
How to use the MTFMapper program to measure lens axial chromatic aberration.
Ed Dozier
Aug 9, 2016
Nikkor 20mm f/4.0 AI Review
Detailed review and MTF50 resolution measurement of the 1974 Nikkor 20mm f/4.0 AI-converted lens.
Ed Dozier
Jul 22, 2016
