Celestron
NexStar 8i Schmidt-Cassegrain
 |
Optical
Design |
8" Schmidt-Cassegrain |
Focal
Length |
2032mm f/10 | |
| Finderscope |
Starpointer | |
Mount |
Altazimuth, Fork Arm | |
| Motor
Drive |
Integrated Dual Axis Servo | |
| Eyepiece |
1-1/4" -25mm Plossl (81x) | |
| Star
Diagonal/Erect Image Eyepiece |
1-1/4" | |
| Hand
Control |
Electronic Hand Control | |
| Slew
Speeds |
Six slew speeds | |
| Tracking
Modes |
Alt-Az, EQ North, EQ South, Off |
 |
Highest
Useful Magnification |
480x |
Lowest
Useful Magnification |
29x | |
| Limiting
Stellar Magnitude |
14 | |
| Resolution:
Rayleigh |
.68 arcseconds | |
| Dawes
Limit |
.57 arcseconds | |
| Photographic
Resolution |
200 lines/mm | |
| Light
Gathering Power |
843x unaided eye | |
| Field
Of View: standard eyepiece |
.63 degree | |
| Linear
FOV (@1000 yd.) |
33 ft. | |
| Secondary
Mirror Obstruction |
2.5"
(10% by area, 31% by diameter) |
|
| Optical
Coatings |
StarBright Coating | |
| Optical
Tube Length |
17" | |
| Power
Requirements |
12VDC 1.5A | |
| Telescope
Weight |
24 lb. |