

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


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


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


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


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


Should You Use A Tele-converter or Not?
How to decide when using a teleconverter on your camera lens is worth it. There are many things to consider in this decision.
Ed Dozier
Sep 4


Measure Your Lens Resolution Tutorial
A step-by-step video on making a resolution test chart and measuring your camera lens resolution.
Ed Dozier
Aug 15


Use Your Nikon Mirrorless Camera as a Telescope
How to set up your mirrorless Nikon as a telescope at the touch of a button. It's much more powerful than you think.
Ed Dozier
Aug 1


Focus Shift with Pixel Shift on the Nikon Z8
How to use the new Z8 3.0 firmware feature to combine pixel-shift and focus-shifted pictures for focus stacks. Amazing 180MB high-rez high-quality shots are possible. Slow computers are not welcome.
Ed Dozier
Jul 18


Nikon Z8 Manual Focus Subject Tracking
In-depth tutorial of Nikon's new Version 3.0 firmware 'manual focus subject tracking' feature for the Z8 camera. When critical focus matters to you.
Ed Dozier
Jul 1

















