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![The 100 Cm (40 In) Refracting Telescope In The Yerkes Observatory, Williams Bay, Wisconsin, United States Of America. From Meyers Lexicon, Published 1924. Poster Print by Ken Welsh / Design Pics - Item # VARDPI12323834 - Posterazzi The 100 Cm (40 In) Refracting Telescope In The Yerkes Observatory, Williams Bay, Wisconsin, United States Of America. From Meyers Lexicon, Published 1924. Poster Print by Ken Welsh / Design Pics - Item # VARDPI12323834 - Posterazzi](https://cdn11.bigcommerce.com/s-yzgoj/images/stencil/1280x1280/products/2616985/5571831/apijfv2ch__75055.1625599739.jpg?c=2)
The 100 Cm (40 In) Refracting Telescope In The Yerkes Observatory, Williams Bay, Wisconsin, United States Of America. From Meyers Lexicon, Published 1924. Poster Print by Ken Welsh / Design Pics - Item # VARDPI12323834 - Posterazzi
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A astronomical telescope has objective and eyepiece of focal lenghts 40 cm 4 cm respectively. To view an object 200 cm away from the objectiv, the lenses must be speparted by a distance.
![a) 40 cm diameter telescope arrangement with optical and mechanical... | Download Scientific Diagram a) 40 cm diameter telescope arrangement with optical and mechanical... | Download Scientific Diagram](https://www.researchgate.net/publication/313555242/figure/fig3/AS:636969885372416@1528876863440/a-40-cm-diameter-telescope-arrangement-with-optical-and-mechanical-structures-The.png)