$270.00
1 stores
The Sky-Watcher Skymax 90 offers ultra-sharp views comparable to a 90mm refractor, but without the size, weight, and cost. This compact Maksutov-Cassegrain truly excels for planetary and lunar observation thanks to its f/13.9 focal ratio, delivering bright images, pinpoint stars, and high contrast views ideal for astrophotography and visual astronomy. Weighing under 4 pounds, this telescope is an excellent grab-and-go option for observers and imagers seeking premium optical performance in a portable package.
| Limiting Magnitude | 12.3 |
| Glass Type | BK7/Borosilicate |
| Weight | 1.8 lb |
| Secondary Obstruction (by area) | 10% |
| Aperture | 90 mm |
| Secondary Diameter | 29 mm |
| Maximum Magnification | 177 |
| Focal ratio | f/13.9 |
| Secondary Obstruction (by diameter) | 32% |
| Star Diagonal | 1.25 inch 90 degree |
| Included Eyepieces | 10mm and 25mm Plössl 1.25 inch |
| Lens Coatings | Fully Multi-Coated |
| Rayleigh Limit Resolution | 1.55″ |
| Optical design | Maksutov-Cassegrain |
| Mirror Reflectivity | 94% |
| Minimum Magnification | 13 |
| Finder | Red dot finder |
| Focal length | 1250 mm |
| Dawes Limit Resolution | 1.29″ |