|
Instruments
|
f/3.0 focus
|
Prime Focus Corrector (PFC)
|
Cautions
|
0.8m Cautions
|
Optical
|
Primary Mirror
|
diameter:
|
76.7cm (30.2")
|
focal length:
|
2.29m (90")
|
f-ratio:
|
3.0
|
Prime Focus Corrector (PFC)
|
focal length:
|
22.72m
|
f-ratio:
|
2.98
|
field angle:
|
46.5 arcmin
|
plate scale:
|
1.3553 arcsec/CCD pixel
|
Mechanical
|
Primary Mirror
|
weight:
|
118kg (260 lbs)
|
thickness:
|
12.7cm (5")
|
material:
|
fused silica
|
Telescope Tube
|
diameter:
|
89.4cm (35.2")
|
length:
|
2.29m (90")
|
Dome
|
diameter:
|
6.1m (20')
|
Historical
|
Construction
|
completed:
|
1970
|
pfc:
|
commissioned 1993
|
Contractor
|
telescope:
|
Boller and Chivens Division, the Perkin-Elmer Co.
|
dome:
|
Ash-Domes
|
|
|
