LOCATION
|
LONGITUDE
LATITUDE
ALTITUDE |
70:44:04.54 W
-29:15:15.43 S
2335 m |
| MADE BY |
Carl Zeiss |
| OPERATING SINCE |
Early 1984 |
|
TELESCOPE OPTICAL PARAMETERS |
| OPTICAL DESIGN |
Ritchey - Chretien |
| FREE APERTURE |
2200 mm |
| FOCAL RATIO |
f/8.0 |
| SCALE |
11.7 arcsec/mm without corrector |
| FIELD |
33 arcmin free from vignetting |
| OPTICAL QUALITY |
d 80% Encircled Energy = 0.3 arcsec |
| FOCUS POSITION |
Cassegrain |
| MOUNT |
Equatorial - Fork |
| INSTRUMENT |
WFI |
| DIAMETER |
2300 mm |
| FOCAL RATIO |
f/3 |
| SHAPE |
Hyperbolic |
| MATERIAL |
Zerodur |
|
SECONDARY MIRROR PARAMETERS |
| DIAMETER |
844 mm |
| SHAPE |
Hyperbolic |
| MATERIAL |
Zerodur |
| CENTRAL OBSTRUCTION |
40 % |
|
|
2.2 m Telescope
|
|
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