Dave Powell

Trained in mathematics, physics, cosmology, computer programming and science journalism. Retired mathematician, award-winning technical and journalistic writer. Past winner of an international business-journalism equivalent of the Pulitzer Prize. And past author and editorial advisor for Sesame Street... where I regularly worked with Jim Henson and Kermit!

Dave Powell's Posts

An old hand painted Volvo

27 August, 2024

Folk Art on Wheels — One-Shot Story

By Dave Powell

Anyone fond of later-20th- and early-21st-century automobiles will enjoy Jim Grey’s “Old Cars Parked” columns and his posts on the “Curbside Classic&...

8 August, 2024

Adventures in C-Mount 110-Film Scanning

By Dave Powell

In a previous article, I explored macro-photography using C-mount cine lenses attached to a Fiji X-Pro1 APS-C digital. In those three experiments, I discovered that my mounting ...
Featured Image

24 July, 2024

Adventures in C-Mount Macro Land

By Dave Powell

C-mount lenses are the tiny optical jewels worn on the fronts of classic 16mm movie cameras. Their minuscule 17.526mm separation between the camera’s mounting flange and f...
Canon 50mm f/1.2 LTM lens

11 June, 2024

Cleaning a Classic Canon f/1.2 LTM Lens

By Dave Powell

A while back, I snagged a beautiful Canon VI-T rangefinder camera for small bucks at a yard sale. It’s probably as close as I’ll ever come to owning a classic Leic...