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Doerr N 114/900 Saturn 50 EQ-2 Telescope Specs
| Brand | Dörr (Doerr) |
| Full Model Code | Dörr Spiegelteleskop Saturn 50 EQ-2 (562130) |
| Country of Origin | Germany / China |
| Optical Design | Newtonian Reflector |
| Aperture | 114 mm (4.49 inches) |
| Focal Length | 900 mm |
| Focal Ratio | f/7.9 |
| Optical Coatings | Aluminum and Silicon Dioxide Protective Coatings |
| Secondary Mirror Obstruction | 34 mm |
| Secondary Mirror Obstruction by Diameter | 30% |
| Secondary Mirror Obstruction by Area | 9% |
| Resolving Power | 1.02 Arcseconds (Dawes), 1.22 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 12.1 |
| Highest Useful Magnification | 228x |
| Lowest Useful Magnification | 16x |
| Optical Tube Material | Aluminum |
| Focuser Style & Mechanism | Rack and Pinion Focuser (1.25-inch) |
| Mirror Lock Mechanism | No |
| Optical Tube Dimensions | 140 mm x 840 mm |
| Optical Tube Weight | 2.90 kg (6.4 lbs) - Tube Only |
| Mount Attachment Type | Manual Equatorial Mount EQ-2 with Flexible Slow-Motion Control Shafts (Vixen Style Saddle Interface) |
| Finder Scope Specification | 5x24 Optical Finder Scope with Bracket |
| Included Accessories | K4 Eyepiece (225x), K9 Eyepiece (100x), K25 Eyepiece (36x), 2x Barlow Lens, Moon Filter, Counterweight, Heavy-Duty Aluminum Tripod with Accessory Tray |
| Power Requirements | None (Manual Operation; Optional Single-Axis DC Motor Drive Compatible) |
| Standard Warranty | 2-Year Limited Warranty |
| Application | Amateur deep-sky entry tracking and lunar feature logging, leveraging a precise manual equatorial axis configuration to manually offset terrestrial rotation drift lines easily. |
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