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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. |
|