![Amazon.com : Maksutov-Cassegrain Telescope, Mak70 Telescopes for Adults Kids 1000mm Focal Length 70mm Objective Lens, Beginners Astronomy Telescope with Slow Motion Gimbal Tripod : Electronics Amazon.com : Maksutov-Cassegrain Telescope, Mak70 Telescopes for Adults Kids 1000mm Focal Length 70mm Objective Lens, Beginners Astronomy Telescope with Slow Motion Gimbal Tripod : Electronics](https://m.media-amazon.com/images/I/6181U-bM8EL.jpg)
Amazon.com : Maksutov-Cassegrain Telescope, Mak70 Telescopes for Adults Kids 1000mm Focal Length 70mm Objective Lens, Beginners Astronomy Telescope with Slow Motion Gimbal Tripod : Electronics
![Amazon.com: Explore Scientific FirstLight 127mm Maksutov–Cassegrain Telescope with EQ3 Mount : Electronics Amazon.com: Explore Scientific FirstLight 127mm Maksutov–Cassegrain Telescope with EQ3 Mount : Electronics](https://m.media-amazon.com/images/I/61KlM8xSrvL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Explore Scientific FirstLight 127mm Maksutov–Cassegrain Telescope with EQ3 Mount : Electronics
![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)