![Newtonian and Cassegrain Telescopes Compare Stock Illustration - Illustration of optical, astronomy: 165022215 Newtonian and Cassegrain Telescopes Compare Stock Illustration - Illustration of optical, astronomy: 165022215](https://thumbs.dreamstime.com/z/newtonian-telescope-kind-reflecting-uses-diagonal-mirror-to-reflect-light-out-side-thus-eyepiece-positioned-165022215.jpg)
Newtonian and Cassegrain Telescopes Compare Stock Illustration - Illustration of optical, astronomy: 165022215
![In a reflecting telescope (Cassegrain), is there a difference between using a concave or convex secondary mirror? - Astronomy Stack Exchange In a reflecting telescope (Cassegrain), is there a difference between using a concave or convex secondary mirror? - Astronomy Stack Exchange](https://i.stack.imgur.com/n80ol.jpg)
In a reflecting telescope (Cassegrain), is there a difference between using a concave or convex secondary mirror? - Astronomy Stack Exchange
![In a reflecting telescope (Cassegrain), is there a difference between using a concave or convex secondary mirror? - Astronomy Stack Exchange In a reflecting telescope (Cassegrain), is there a difference between using a concave or convex secondary mirror? - Astronomy Stack Exchange](https://i.stack.imgur.com/j0i4Y.jpg)
In a reflecting telescope (Cassegrain), is there a difference between using a concave or convex secondary mirror? - Astronomy Stack Exchange
![An example Cassegrain telescope system with a primary mirror at F/1.2,... | Download Scientific Diagram An example Cassegrain telescope system with a primary mirror at F/1.2,... | Download Scientific Diagram](https://www.researchgate.net/publication/292215849/figure/fig6/AS:668522648723459@1536399628147/An-example-Cassegrain-telescope-system-with-a-primary-mirror-at-F-12-a-Cassegrain-focus.jpg)
An example Cassegrain telescope system with a primary mirror at F/1.2,... | Download Scientific Diagram
![An example Cassegrain telescope system with a primary mirror at F/1.2,... | Download Scientific Diagram An example Cassegrain telescope system with a primary mirror at F/1.2,... | Download Scientific Diagram](https://www.researchgate.net/publication/276499612/figure/fig6/AS:668703930716168@1536442849339/An-example-Cassegrain-telescope-system-with-a-primary-mirror-at-F-12-a-Cassegrain.png)
An example Cassegrain telescope system with a primary mirror at F/1.2,... | Download Scientific Diagram
![A Cassegrain telescope uses two mirrors as shown in above figure. Such a telescope is built with the mirrors 20 mm apart. If the radius of curvature of the large mirror is A Cassegrain telescope uses two mirrors as shown in above figure. Such a telescope is built with the mirrors 20 mm apart. If the radius of curvature of the large mirror is](https://haygot.s3.amazonaws.com/questions/421595_3dd363e6ca254d3182d8b1cafaea23f9.png)
A Cassegrain telescope uses two mirrors as shown in above figure. Such a telescope is built with the mirrors 20 mm apart. If the radius of curvature of the large mirror is
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