| |
ETX-80 |
ETX-80 with Backpack |
ETX-90 |
ETX-90 Portable Observatory |
| Product Number |
0805-04-21 |
0805-04-20 |
3514-04-15 |
3514-04-20 |
| Clear Aperature |
80 mm (3.15") |
90 mm (3.5 inches) |
| Optical Design |
Refractor |
Maksutov-Cassegrain |
| Focal Length |
400mm |
1250 mm |
| Focal Ratio |
f/5 |
f/13.8 |
| Telescope Mounting |
Dual Fork Altazimuth |
Dual Fork Altazimuth |
| Optical Coatings |
Multi-Coated |
Ultra-High Transmission Coatings (UHTC™) |
| AutoStar Controller |
AutoStar #494 |
AutoStar #497 |
| Object Database |
1,400 object library |
30,000 object library |
| Viewfinder |
None |
Red-Dot |
| Eyepiece |
Super Plössl 9.7mm and 26mm |
Super Plössl 26mm - 1.25" barrel |
Super Plössl 26mm and 9.7mm - 1.25" barrel |
| Tripod |
Field Tripod |
Light Weight Tripod |
Adjustable-height steel leg tripod |
| Batteries (User-Supplied) |
6 AA Cell Batteries |
6 AA Cell Batteries |
| Power |
Optional #546 AC Adapter |
Optional Meade Universal AC Power Adapter |