We have established the following pages to help you for your selection of suitable eyepieces:
Basic Formulas – Here you will find basic math’s to calculate magnification, field of view, exit pupil, useful maximum magnification etc.
Eyepiece Types – We show you the construction of different eyepieces like Plössl, orthoscopic, Nagler etc. Additionally we tell you a little bit about their inherent pros and cons.
Pre-Selection – Which eyepiece for what purpose and for what telescope? What are the quality differences between cheap and expensive eyepieces?
Useful Combinations – Which eyepieces do you need?
Other Measurements - Find a selection of measurements of other eyepieces, including stuff added to a 49€-telescope.