| Optical Design |
Advanced Coma-Free |
| Clear Aperture |
254mm (10") |
| Focal Length Focal Ratio |
2540mm f/10 (10") |
| Optical Coating |
MgF2 on correcting plate (2-sides); standard aluminum on primary and secondary mirrors |
| Ultra-High Transmission Coatings (UHTC) |
Included |
| Optical Tube Dimensions (dia. x length) |
11.75" x 22" |
| GPS |
SonyGPS |
| Viewfinder |
8 x 50 |
| Telescope Mounting |
Fork-type; double tine |
| Setting Circle Diameters, RA and Dec. |
RA: 8"; Dec: 5" |
| GO TO Pointing Precision (approx.) |
5-arc mins. |
| Pointing Precision, High Precision Mode |
3-arc mins. |
| Slow-Motion Controls |
Electric, RA and Dec |
| #497 AutoStar Hand Controller |
PIC 16C57 microcontroller; 2 line x 16 alphanumeric character display; 20-button keypad, red LED backlit |
| Batteries (user-supplied) |
8 x C-cells |
| Battery Life (approx.) |
60 hrs. |
| Onboard Celestial Object Database |
30,223 objects |
| Slew Speeds |
RA and Dec: 1x, 2x, 8x, 16x, 64x, 128x sidereal and 1.5°/sec., 3°/sec., 6.5°/sec. |
| Tracking Rates |
Sidereal, lunar, or custom-selected from 2000 incremental rates |
| Tube Body |
Aluminum |
| Mount Castings |
Aluminum |
| Primary, Secondary Mirrors |
Pyrex glass |
| Correcting Plate/Lens |
Clear water white glass |
| Field Tripod Height |
30" to 44" variable |
| Telescope Weight |
50 lbs |
| Tripod Weight |
19 lbs |
| Warranty |
Meade 1 year limited warranty |