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Hello there! Here it is, the episode on telescopes! If you don't know what to buy for Christmas, this video might just convince you that putting a few bills in a telescope or a refractor won't be money wasted! We talk about diameter, focal length, f/d, Newton, Dobson, Schmidt-Cassegrain and raclette... I hope the explanations are clear :-) I DO NOT CLAIM TO EXPLAIN AND DESCRIBE EVERYTHING 100%. Feel free to add to it in the comments! If you liked it, subscribe to the channel and like me all that! You can also do it the other way around... Enjoy watching, Merry Christmas and Happy New Year to all! ps: This is the last video I'll make with really bad sound... I bought a new microphone! 2019, the year of good sound! _________ Social networks. Come on... We're good............. Facebook: / douzeparsecs Twitter: / douzeparsecs Tipeee (talk about a social network... ????) https://fr.tipeee.com/12-parsecs _____________ Some very interesting links to go even further: Choosing a telescope: https://www.stelvision.com/astro/tele... https://www.astrofiles.net/astronomie... https://www.astrofiles.net/telescope-... https://www.cieletespace.fr/actualite... The different mounts: https://www.promo-optique.com/quelle-... How to do astrophotography? http://www.achat-telescope.fr/comment... Some not bad telescopes to start: This one is very good! https://www.telescopes-and-accessories... https://www.optique-pro.fr/telescopes... https://www.optique-pro.fr/telescopes... https://www.astroshop.de/fr/telescope... https://www.optique-pro.fr/telescopes... https://www.astroshop.de/fr/telescope... https://www.amazon.fr/Télescope-Omego... _______________ Movie clips: 0:25 - Gremlins 1:54 - Matrix Reloaded 2:15 - Didier 2:30 - Kung Pow 3:47 - Who Framed Roger Rabbit 4:22 - Back to the Future 4:31 - Kaamelott 8:04 - Kaamelott 9:17 - Tintin and the Lake of Sharks 10:14 - Asterix and Obelix: Mission Cleopatra 11:30 - The Visitors 11:47 - Sliver 12:02 - Kaamelott 15:22 - Guardian Angels 18:42 - The Big Lebowski 21:48 - Robocop