| Telescope Design | Dobsonian Mount (closed tube), Newtonian Optics |
| Materials used | Water proof marine ply, laminate, hard plastic solid tube |
| Finish | Weatherproof paint and laminate |
| Primary Mirror : | |
| Mirror maker | Guan Sheng Optical, Taiwan |
| Mirror physical/optical diameter | 250 mm / 245mm |
| Mirror edge thickness | 36 mm |
| Mirror weight | 4.2 kg |
| Mirror coating | Aluminium + SiO2 Protective coating 92% reflectivity |
| Focal length / focal ratio | 1250 mm, f/5 |
| Mirror Cell | 3 point support cell |
| Mirror cell material | Marine Plywood |
| Secondary mirror size | 50 mm minor axis |
| Optical tube assembly (OTA) | Hard Plastic 315 mm, Ht 1200 mm, 18.5 kg, lined with ‘light eater’ black foam |
| Dobsonian Mounting | |
| Rocker Box | Height = 590mm, Width = 375mm |
| Weight of mount | 9.5 kg |
| Eyepiece height at zenith | 1285 mm |
| Full height of telescope | 1380 mm |
| Teflon Side bearing / Ground Board | 15 x 15 x 5 mm, 4 pieces / 25 x 25 x 5 mm, 4 pieces |
| Side bearing diameter | 276 mm |
| Weight of complete assembled telescope | 22 kg |
| Shipping weight & dimensions | 33 kg, 1340 x 500 x 450 mm |
| Supplied Accessories | Telrad Finder, Crayford Focuser for precise focus, 25mm Plössl Eyepiece (1.25″), Alan key ‘T’ for collimation Dust covers for primary and secondary mirrors |
Aperture Telescopes, AT Closed Tube Dobsonian
10-inch Aperture Telescope
₹49,000.00 excl. 18% GST
- Classic Closed Tube Dobsonian Telescope
- 10″ (250mm) aperture
- 1250mm focal length
- Sturdy built
- Premium quality and looks.
- Smooth operations
Available on backorder








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