![optics - How does a diverging lens in a Galilean telescope form an image at infinity when its object is at its focal plane? - Physics Stack Exchange optics - How does a diverging lens in a Galilean telescope form an image at infinity when its object is at its focal plane? - Physics Stack Exchange](https://i.stack.imgur.com/rrJIu.png)
optics - How does a diverging lens in a Galilean telescope form an image at infinity when its object is at its focal plane? - Physics Stack Exchange
![Galileo Telescopes serious errors in the optics, the telescopes dimensions, and what one really see's looking through his telescopes found in the literature. Galileo Telescopes serious errors in the optics, the telescopes dimensions, and what one really see's looking through his telescopes found in the literature.](http://www.scitechantiques.com/Galileo-Telescope-Anomalies-optics/Galileo_optics2.jpg)
Galileo Telescopes serious errors in the optics, the telescopes dimensions, and what one really see's looking through his telescopes found in the literature.
![What are the Different Types of Telescopes and how have they been Reinvented over Time? – A Lens Through Our Universe What are the Different Types of Telescopes and how have they been Reinvented over Time? – A Lens Through Our Universe](https://alensethroughouruniverse.files.wordpress.com/2017/01/galileantelescope.png?w=567&h=266)