[ Bosma 203-1000 product photo ]
Release Date: 1970.12
brand: Bosma
type: Telescope
detail:
Telescope works: reflective focal length: 1000mm focal ratio: 4.9 lens: 203mm Resolution: 0.57 inches arc second set of light power: 841 * limiting magnitude: 13.4 Eyepiece: PL10, PL25 (31.7mm) Tripod: STP1 chrome steel Tripod finder: 7 * 50 finder
detail more:
Basic parameters
| Telescope works | Reflective | |
| Focal length | 1000mm | |
| Coke ratio | 4.9 | |
| Objective | 203mm | |
| Set of light power | 841 * | |
| Resolution | 0.57 inches arcsec | |
| Limiting magnitude | 13.4 | |
| The length of the primary mirror | 1100mm | |
| The weight of the primary mirror | 9100g |
| Equatorial mount | EM10 with polar axis tracking equatorial telescope | |
| Finder | 7 * 50 finder | |
| Eyepiece | PL10, PL25 (31.7mm) | |
| Filter | Moon filter | |
| Tripod | STP1 chromium steel tripod | |
| Other accessories | Biaxial electric tracking controller |