Memo to Observers regarding Tours and Public Viewing Nights
June 7, 2004 
See:
Observing Support: 0.8 m Telescope
Instruments
f/3.0 focus
Prime Focus Corrector (PFC)Optical
| Primary Mirror | |
| Diameter | 76.7 cm (30.2") |
| Focal length | 2.29 m (90") |
| F-ratio | 3.0 |
| Prime Focus Corrector (PFC) | |
| Focal length | 2.272 m |
| F-ratio | 2.98 |
| Field of view | 46.2 x 46.2 arcmin |
| Plate scale | 1.3553 arcsec/CCD pixel |
Mechanical
| Primary Mirror | |
| Weight | 118 kg (260 lbs) |
| Thickness | 12.7 cm (5") |
| Material | fused silica |
| Telescope Tube | |
| Diameter | 89.4 cm (35.2") |
| Length | 2.29 m (90") |
| Dome | |
| Diameter | 6.1 m (20') |
Historical
| Construction | |
| Completed | 1970 |
| PFC | commissioned 1993 |
| Contractor | |
| Telescope | Boller and Chivens Division, the Perkin-Elmer Co. |
| Dome | Ash-Domes |
