

Measure and Compensate for Lens Spherical Aberration
An explanation of the lens defect called 'spherical aberration' and how some cameras can automatically compensate for it.
Ed Dozier
Nov 7, 2025


Using Topaz Photo Studio to Remove Unwanted Objects
Tutorial on using Topaz Photo Studio to remove objects from photos. Their artificial intelligence is quite amazing.
Ed Dozier
Oct 24, 2025


Starscapes using Topaz Photo Studio and Capture One
How to use the Topaz Photo Studio and Capture One editors to create amazing starscapes.
Ed Dozier
Oct 10, 2025


Diffraction-Limited Lenses and the Sharpest Possible Photo
An explanation of how physics itself limits just how sharp a lens can be. Some things even money can't buy.
Ed Dozier
Sep 26, 2025


Nikon Z8 400% Zoom Manual Focus vs. Autofocus Accuracy
Comparing the Nikon Z8 autofocus accuracy against its new 400% zoom manual focus. Getting the absolute best focus.
Ed Dozier
Sep 12, 2025



















