reprorducción de telescopio galileano

https://www.youtube.com/watch?v=7W-i6nn7esU

https://www.youtube.com/watch?v=nzXnnwxJmSg

http://www.scitechantiques.com/Galileo-Telescope-Anomalies-optics/

http://exoplanet.as.arizona.edu/~lclose/teaching/a202/Telescopes_lect.pdf



https://en.wikipedia.org/wiki/Refracting_telescope#Galileo.27s_telescope

http://www.opticalsoftware.net/index.php/how_to/lens_design_software/predesigner