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The Al Nagler Saturnday interview with Eli Goldfine
Monday, March 30, 2026 by Eli Goldfine
Editor’s Note: Albert “Al” Nagler, founder of Tele Vue Optics and one of the most beloved figures in amateur astronomy, passed away on October 27, 2025, at the age of 90, fittingly with a telescope in hand. For more than half a century, Al’s innovations transformed backyard ...

How to use a telescope
Saturday, March 7, 2026 by Richard Harris
So you’ve just unboxed your brand-new telescope. Maybe it’s a sleek refractor, a sturdy Dobsonian, or one of those smart telescopes that runs on an app. Now you’re standing there asking what just about everyone asks the first time they look at a telescope and think seriously about ...

Super fast hyperbolic newton astrograph by Telescopi Italiani
Thursday, January 22, 2026 by Richard Harris
There is a certain kind of telescope that tells you exactly what it is trying to do. The TIn series from Telescopi Italiani is built for one job: produce a very wide, very well corrected imaging field at extremely fast focal ratios, and do it in a package that can live in a remote observatory withou...

Yuri Petrunin: The man behind TEC Telescopes
Thursday, December 18, 2025 by Richard Harris
When you sit down with Yuri Petrunin, founder of Telescope Engineering Company, the first thing you notice is his strong Russian accent. The second is how little he seems to care whether or not you’re impressed by it. He speaks modestly, carefully, and without pretense. He’s not trying t...
