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![Schematic arrangement for a double-path reflecting telescope: R 1 , f 1... | Download Scientific Diagram Schematic arrangement for a double-path reflecting telescope: R 1 , f 1... | Download Scientific Diagram](https://www.researchgate.net/profile/M-Fernandez-Guasti/publication/47679982/figure/fig1/AS:349439072981004@1460324175107/Schematic-arrangement-for-a-double-path-reflecting-telescope-R-1-f-1-R-2-and-f-2.png)
Schematic arrangement for a double-path reflecting telescope: R 1 , f 1... | Download Scientific Diagram
![Cassegrain Telescope scheme. The equivalent focal length: f = f 1 ×p ́/p. | Download Scientific Diagram Cassegrain Telescope scheme. The equivalent focal length: f = f 1 ×p ́/p. | Download Scientific Diagram](https://www.researchgate.net/profile/Mohammed-Traiche/publication/252487384/figure/fig2/AS:298046157017089@1448071149273/Cassegrain-Telescope-scheme-The-equivalent-focal-length-f-f-1-p-p.png)
Cassegrain Telescope scheme. The equivalent focal length: f = f 1 ×p ́/p. | Download Scientific Diagram
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