90mm Refractor Telescope with Altazimuth Mount
Set up is fast and easy with this simple scope. A quick release dovetail attachment means there's no tools needed. The pre-assembled tripod with 1.25" steel tube legs saves time and provides a rigid, stable platform. Its all coated glass erect image optics offer clear images of land and sky. Additional features include a permanently mounted StarPointer finderscope, pan handle Alt-Az control with clutch for smooth and accurate pointing, and an altazimuth mount. A deluxe accessory tray is also provided for convenient storage of accessories, and "The Sky®" Level 1 planetarium software accompanies the telescope so you can explore its 10,000 object database and enhanced images.
Features:
- Quick and easy no-tool setup
- Permanently mounted StarPointer
- Erect image optics - Ideal for terrestrial and astronomical use
- Quick release dovetail attachment - no tool setup
- Pan handle Alt-Az control with clutch - for smooth and accurate pointing
- 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
- “TheSkyX – First Light Edition” astronomy software with a 10,000 object database, printable sky maps and 75 enhanced images
Specs:
| Optical Design |
Refractor |
| Aperture (mm) |
90 mm (3.54 in) |
| Focal Length (mm) |
1000 mm (39 in) |
| Focal Ratio |
11 |
| Eyepiece 1 (mm) |
20 mm (0.79 in) |
| Magnification 1 |
50 x |
| Eyepiece 2 (mm) |
10 mm (0.39 in) |
| Magnification 2 |
100 x |
| Finderscope |
Built-on StarPointer |
| Star Diagonal |
Erect Image Diagonal - 1.25" |
| Mount |
Altazimuth |
| Tripod |
1.25" steel tube legs |
| Weight (lbs) |
20 lbs (9.07 kg) |
| Highest Useful Magnification |
213 x |
| Lowest Useful Magnification |
13 x |
| Limiting Stellar Magnitude |
12.3 |
| Resolution (Rayleigh) |
1.55 arc seconds |
| Resolution (Dawes) |
1.29 arc seconds |
| Light Gathering Power (Compared to human eye) |
165 x |
| Angular Field of View (deg) |
1 ° |
| Linear Field of View (@1000 yds) |
53 ft (16 m) |
| Optical Coatings |
Multi Coated |
| Optical Tube Length |
36 in (914 mm) |
| Tube Attachment |
Dovetail Bar |
