The History of MTF50 Resolution Measurement
Some fun history of MTF50 resolution measurement, from an incredible 1807 discovery right through present day.
Ed Dozier
May 29, 2018
Portrait Retouching Using Masks
Portrait retouching tips using various photo editors. Photo flattery will get you everywhere.
Ed Dozier
May 11, 2018
Keeping up with MTFMapper: any MTF you Want
This new MTFMapper feature lets you pick any MTF contrast plot range you desire.
Ed Dozier
Apr 28, 2018
How to Measure Lens Vignetting
How you can make your own lens vignetting measurements with various photo editors.
Ed Dozier
Apr 13, 2018
Remote Camera Control Using digiCamControl
How to use the free digiCamControl program and USB to perform tethered control of your camera, including focus stacking.
Ed Dozier
Mar 29, 2018
Coolpix B500 40X Super-Zoom Camera and Lens Review
Review of the Nikon Coolpix B500, with a 22.5 mm to 900 mm zoom. Includes actual MTF50 resolution measurements.
Ed Dozier
Mar 16, 2018
High-speed Lens Focus Shift Explained
Really fast lenses usually shift focus as you change apertures. I explain what's going on and what to do about it.
Ed Dozier
Mar 2, 2018
Nikon D500: Multiple Buttons, Multiple Focus Modes
How to assign and use different focus modes for different buttons on the Nikon D500.
Ed Dozier
Feb 17, 2018
Create Your Own Planet
Make your own planets in Photoshop with single photos or panoramas.
Ed Dozier
Feb 3, 2018
The Brenzier Method: Thin Depth of Focus
How to create photos with an impossibly thin depth of focus using the Brenzier method.
Ed Dozier
Jan 15, 2018
