Beginner's Short Guide to Telescopes
All about telescope sizes, types, magnification, and mounts
A telescope: how to start observing
The basics of astronomical observations for beginners
A short guide to refractor telescopes: choose your equipment wisely
Learn everything you need to know about refractor telescopes to make the right choice
Telescope accessory installation diagrams (.pdf)
Convenient diagrams that describe how to install additional accessories on refractors and catadioptric telescopes
Step-by-step guide on microscope slides preparation and further use
Easy to understand guide that explains how to make your own microscope slides
Picture Gallery
Examples of what you can see with Levenhuk 40L NG, 50L NG and D50L NG Microscopes