By Levels

Library

Eyes on the Sky

52 Videos (Page 2/2)

5:24 Fast English (US)

Telescope Basics 5 (of 6): Learn the basics about barlow lenses for telescopes

Eyes on the Sky - 12 years ago

353,723 views
6:23 Conversational English (US)

Top 3 Telescopes Types, Explained: Telescope Basics 1 of 6

Eyes on the Sky - 12 years ago

255,810 views
6:24 Conversational English (US)

Telescope Basics 2 (of 6): Learn to calculate magnification for a telescope/understand focal ratios

Eyes on the Sky - 12 years ago

217,373 views
11:47 Conversational English (US)

Learn how to easily align your equatorial mount

Eyes on the Sky - 14 years ago

750,519 views
1 2