12" Dobsonian Telescope with Upgrades & Premium Accessories - AD12
Apertura
From $1,299.95
2 stores
In stock
The Apertura AD12 is a 12" (305mm) f/4.9 Newtonian reflector on a Dobsonian mount featuring a 12" parabolic mirror figured to 1/12th wave with an aluminum and silicon dioxide coating offering 93% reflectivity. This large-aperture instrument excels at deep-sky observation, delivering thousands of celestial objects from galaxies and nebulae to double stars with impressive light-gathering capability. The package includes a 2" dual-speed Micro 10:1 Crayford-style focuser, 8x50 finder, 30mm SuperView and 9mm Plossl eyepieces, laser collimator, and cooling fan—all the essentials for immediate observing out of the box.
Specifications
| Focal length | 1520 mm |
| Finderscope | 8x50 Right-Angle Correct Image |
| Tube Material | Steel |
| Aperture Metric | 305 mm |
| Total Weight | 86.1 kg |
| Primary Mirror Coating | Aluminum and Silicon Dioxide |
| Mount type | Dobsonian |
| Base Design | Particleboard Dobsonian with Roller and Ball Bearings |
| Optics Grade | 1/12 Wave |
| Focuser Size | 2 in |
| Focal ratio | f/5 |
| Fully Assembled Height | 63.75 in |
| Primary Eyepiece | 2 mm |
| Aperture | 12 mm |
| Focuser Type | Dual-Speed Crayford, 10:1 Reduction |
| Accessories Included | Laser Collimator, Primary Mirror Cooling Fan, 1.25 inch Adapter |
| Telescope Type | Newtonian Reflector |
| Base Weight | 38.3 kg |
| Limiting Stellar Magnitude | 14.9 |
| Mirror Reflectivity | 93% |
| Optical Tube Length | 57.25 mm |
| Mirror Type | Parabolic Primary, Flat Secondary |
| Optical Tube Weight | 47.8 kg |
| Secondary Eyepiece | 1.25 inch Plossl 9mm |