The Celestron AstroMaster-90 is an ideal telescope for beginners and can be used both for terrestrial and celestial viewing applications. The AstroMaster-90 offers multi-coated glass optics to allow clear and crisp images. This refractor model can also be used for astrophotography with an appropriate T-Mount adapter. It comes with a rugged pre-assembled tripod, 20mm eyepiece, 10mm eyepiece, and a permanent mounted Starpointer finder scope to easily locate heavenly objects.
Key Features
- Permanently mounted StarPointer
- 1.25" image erecting diagonal makes telescope suitable for terrestrial and astronomical use
- Quick release dovetail attachment
- German equatorial mount with setting circles to accurately locate celestial objects
- Rugged, pre-assembled tripod with 1.25" steel tube legs provides a rigid and stable platform
- All coated glass optics for clear, crisp images
- Deluxe accessory tray for convenient storage of accessories
- "The Sky" Level 1 planetarium software with 10,000 object database and enhanced images
Specifications
| Optical Design |
Achromatic refractor |
| Optical Lens Diameter |
3.5" ( 90mm ) |
| Focal Length |
1000mm |
| Focal Ratio |
f/11.1 |
| Maximum Useful Magnification |
177x |
| Resolving Power |
Not Specified by Manufacturer |
| Optical Tube Dimensions |
Not Specified by Manufacturer |
| Mount Type |
Equatorial |
| Eyepiece Barrel Diameter |
1.25" |
| Finderscope |
Mounted StarPointer |
| Tripod |
1.25" steel tube legs |
| Motor |
No |
| GO-TO Capability |
No |
| PC Compatible |
No |
| Power Source |
None |
| Weight |
23.0 lbs ( 10.43kg ) |
