What's Up? Webcast: Understanding Diagonals
(Episode 239)
Diagonals are a popular accessories used of refractors and cassegrain telescopes. From star diagonals, prisms, dielectric and more there is a wide range of options to choose from. We take a look at the different offerings and what to consider when purchasing a good diagonal.
What's Up? webcast take place right here on the Sky-Watcher USA YouTube channel every Friday from 10am to 11am Pacific.
For more information on Sky-Watcher products please visit www.skywatcherusa.com