Photo Art from Science

An explanation of how physics itself limits just how sharp a lens can be. Some things even money can't buy.

Comparing the Nikon Z8 autofocus accuracy against its new 400% zoom manual focus. Getting the absolute best focus.

How to decide when using a teleconverter on your camera lens is worth it. There are many things to consider in this decision.

A step-by-step video on making a resolution test chart and measuring your camera lens resolution.

How to set up your mirrorless Nikon as a telescope at the touch of a button. It's much more powerful than you think.

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.

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.

This article shows how the Nikkor 55-300mm f/4.5-5.6G AF-S ED VR DX lens internals work in detail to accomplish zooming and focusing. Most Nikon zooms work similarly to this lens.

The TTArtisan 50mm f/0.95 Z lens has terrible specifications, but it still manages to be one of my favorites. It has a 'look' for nighttime shots that is just wonderful. Check out these shots.

A detailed tutorial on how camera lens stepping motors function to focus a lens. These lenses use piezoelectric ultrasonic technology.