Διοπτρικό τηλεσκόπιο: Διαφορά μεταξύ των αναθεωρήσεων

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Διάσωση 2 πηγών και υποβολή 0 για αρχειοθέτηση.) #IABot (v2.0
Γραμμή 11:
* [http://www.nasa.gov/audience/foreducators/informal/features/F_Build_a_Telescope_prt.htm nasa.gov - Build a Telescope]
* [http://galileo.rice.edu/lib/student_work/astronomy96/mtelescope.html Making a Galilean Telescope]
* [https://web.archive.org/web/20080915103619/http://www.pacifier.com/~tpope/Building_A_Galilean_Telescope.htm BUILDING A GALILEAN TELESCOPE]
* [https://web.archive.org/web/20080915211117/http://www.pacifier.com/~tpope/Galilean_Optics_Page.htm OPTICS OF THE SINGLET REFRACTOR: GALILEO vs. KEPLER]
*[http://journals.lww.com/optvissci/Fulltext/2007/06000/Angular_and_Linear_Fields_of_View_of_Galilean.16.aspx Angular and Linear Fields of View of Galilean Telescopes and Telemicroscopes]
*[http://openlearn.open.ac.uk/mod/resource/view.php?id=229181 Refracting telescopes]