Photo Art from Science

Some fun history of MTF50 resolution measurement, from an incredible 1807 discovery right through present day.

Portrait retouching tips using various photo editors. Photo flattery will get you everywhere.

This new MTFMapper feature lets you pick any MTF contrast plot range you desire.

How you can make your own lens vignetting measurements with various photo editors.

How to use the free digiCamControl program and USB to perform tethered control of your camera, including focus stacking.

Review of the Nikon Coolpix B500, with a 22.5 mm to 900 mm zoom. Includes actual MTF50 resolution measurements.

Really fast lenses usually shift focus as you change apertures. I explain what's going on and what to do about it.

How to assign and use different focus modes for different buttons on the Nikon D500.

Make your own planets in Photoshop with single photos or panoramas.

How to create photos with an impossibly thin depth of focus using the Brenzier method.