This is an instruction manual for a telescope, which contains the telescope's specifications, usage methods and warranty information.
This document provides technical specifications for the Celestron 91075 Rowe-Ackermann Schmidt Astrograph Telescope, including optical design details such as aperture, focal length, and coatings. It also outlines a two-year limited warranty covering defects in materials and workmanship for the telescope mount.
| Optical Design | Rowe-Ackermann Schmidt |
|---|---|
| Aperture | 279 mm |
| Focal Length | 620 mm |
| Focal Ratio | f/2.22 |
| Optical Coatings | StarBright XLT |
| Total Telescope Kit Weight | 35 lbs |
| Focuser Type | FeatherTouch MicroFocuser |
| Cooling Fan Voltage | 12V DC |
Celestron warrants your telescope mount to be free from defects in materials and workmanship for two years.
A good cleaning solution is 60% isopropyl alcohol mixed with 40% distilled water, or liquid dish soap diluted with water.
Yes, the primary mirror and corrector are permanently aligned at the factory.