| Specifications: |
| Optical Design |
Advanced Ritchey-Chrétien |
| Clear Aperture |
203mm (8") |
| Focal Length Focal Ratio |
2000mm f/10(8") |
| Maximum Practical Visual Power |
600X (8") |
| Telescope Mounting |
heavy-duty fork type; double-tine |
| Primary Mirror Lock |
included (progressive tension) All models |
| Zero Image-Shift Micro Focuser |
included (4-speed) All models |
| Eyepiece |
Series 5000 26mm 5-Element Plossl |
| Viewfinder |
8 x 50mm |
| GPS, True-level and North sensors |
included (16-channel GPS receiver) All models |
| Pointing Precision, High Precision Mode |
1-arc min. All models |
| Autostar® II Hand Controller |
included (147,541 object database) All models |
| Batteries (user-supplied) |
8 x C-cells |
| Battery Life (approx.) |
20 hrs |
| Slew Speeds: |
RA and Dec: 0.01x to1.0x sidereal, variable in0.01x increments; 2x, 8x, 16x, 64x, 128x sidereal; 1°/sec. to 8°/sec., variable in 0.1° increments All models |
| Tracking Rates |
sidereal, lunar, or custom-selected from 2000 incremental rates All models |
| Primary, Secondary Mirrors |
Pyrex® glass |
| Correcting Plate/Lens |
water white glass |
| Total Net Telescope Weight |
73 lbs. |
| Telescope Shipping Weight (approx.) |
94 lbs. |
| Field Tripod Height all models: |
30" to 44" variable |
| UHTC |
Included |
|