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Orion Sirius 180mm Mak-Cass Telescope with Dual-Axis Control by Orion
Digital Photo Product DetailsManufacturer: Orion Product features: - Whopping 7.1" aperture and 2,700mm focal length (f/15) excels for high-power solar system use
- Only 22" long and weighs less than 16 lbs for compact portability and easy storage
- The Sirius EQ-G mount provides stability for high-power photography and viewing
- Includes dual-axis electronic hand controller. GoTo controller can be purchased separately later
- One-year limited warranty
Description of Orion Sirius 180mm Mak-Cass Telescope with Dual-Axis ControlFor the most demanding enthusiast, our 180mm Mak sets a new standard for superb high-power performance in a remarkably compact design. The 180mm (7.1") Maksutov-Cassegrain optical system has 2,700mm focal length (f/15). With 44% greater light grasp than a 150mm Mak, you'll get brighter images and better resolution. Dual internal stepper motors then move the telescope at up to 3.4-deg per second right to your target object, tracking it while you observe or photograph it. With the standard dual-axis controller, you get the same precision slewing, tracking, and guiding functionalities. GoTo can always be added later.
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