Celestron
Firstscope 60 EQ Refractor
 |
Optical
Design |
60mm (2.4") refractor |
Focal
Length |
900mm f/15 | |
| Finderscope |
StarPointer | |
Mount |
Equatorial | |
| Eyepiece |
1-1/4" -20mm (45x) | |
Eyepiece |
1-1/4" -10mm (90x) | |
| Star
Diagonal/Erect Image Eyepiece |
1-1/4" 90 degrees | |
Accessory
Tray |
yes | |
| Tripod |
Aluminium | |
CD
ROM |
The Sky L1 |
 |
Highest
Useful Magnification |
142x |
Limiting
Stellar Magnitude |
11.4 | |
| Resolution:
Rayleigh |
2.31 arcseconds | |
Dawes
Limit |
1.93 arcseconds | |
| Photographic
Resolution |
156 lines/mm | |
Light
Gathering Power |
73x unaided eye | |
| Field
Of View: standard eyepiece |
1.4 degrees | |
Linear
FOV (@1000 yd.) |
58 ft. | |
| Secondary
Mirror Obstruction |
n/a | |
Optical
Coatings |
Fully-Coated | |
| Optical
Tube Length |
28" | |
Telescope
Weight |
11 lb. |