[ Bosma 90-1200 product photo ]
Release Date: 1970.12
brand: Bosma
type: Telescope
detail:
Telescope works: Maca - Catadioptric focal length: 1200mm focal ratio: 13.3 Lens: 90mm Resolution: 1.29 inches arc second set of light power: 165 * limiting magnitude: 11.7 Eyepiece: PL16, PL26 (31.7mm) Tripod: TP5 metal tripod (optional) finder: 8 * 21 finder
detail more:
Basic parameters
| Telescope works | Maca - Catadioptric | |
| Focal length | 1200mm | |
| Coke ratio | 13.3 | |
| Objective | 90mm | |
| Set of light power | 165 * | |
| Resolution | 1.29 inches arcsec | |
| Limiting magnitude | 11.7 | |
| The length of the primary mirror | 300mm | |
| The weight of the primary mirror | 3000g |
| Finder | 8 * 21 finder | |
| Eyepiece | PL16, PL26 (31.7mm) | |
| Filter | Moon filter | |
| Tripod | TP5 metal tripod (optional) | |
| Other accessories | Supporting portable soft pack |