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If you want to take a look through a similar telescope, follow this link: Optical Engineer Rik ter Horst shows us how he makes very small telescopes (at home) which are intended for use in micro-satellites. Contents: 0:00 Intro 1:06 About telescopes and focal length 3:35 The Cassegrain telescope 4:38 The Schmidt-Cassegrain telescope 5:18 The monolithic telescope concept 6:30 Rik ter Horst Interview 10:25 Riks' polishing setup 13:51 About manufacturing aspherics 16:50 Advantages of solid telescopes 17:49 Dreaming about a VLTT ORESAT PROJECT CORRECTION. I was notified that the name of the university behind the OreSat project is erroneous: It is the “Portland State University“ (), not University of Portland. Sorry about that! Direct link to the Oresat project: Rik published details about the 1993 version of this type of telescope on in 2013. (archived article) 2:34 The image shows the second telescope of Galileo, not the first telescope of Lipperhey. The video contains images of external sources. Please visit their websites for more information: - Star party image was taken from: - More amazing astro-photos made by Dick van Tatenhoven can be found at: - NOVA-Astron website: - Yerkes telescope photo from: - Source of image at 0:41 is - Image of the Schmidt plate and Cassegrain telescope taken from their respective Wikipedia pages: –Cassegrain_telescope Do you like what I do and want to support it? I'v recently started a patreon page: Did I forget a reference? Objections? Please let me know and I will set it straight and add a link.
