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Omegon N 126/920 EQ-3 Telescope Specs
| Brand | Omegon |
| Full Model Code | Omegon N 126/920 Spherical Newtonian Reflector on EQ-3 Equatorial Precision Mount System |
| Country of Origin | Germany (Designed) / China (Manufactured) |
| Optical Design | Newtonian Reflector (Spherical Primary Mirror Layout with Planar Secondary Mirror) |
| Aperture | 126 mm (4.96 inches) |
| Focal Length | 920 mm |
| Focal Ratio | f/7.3 |
| Optical Coatings | Standard Aluminum Coating Treatment with Protective Monoxide Overlay Layer |
| Glass Material | Standard BK7 Optical Glass Substrates |
| Secondary Mirror Obstruction | 34 mm |
| Secondary Mirror Obstruction by Diameter | 26.98% |
| Secondary Mirror Obstruction by Area | 7.28% |
| Resolving Power | 0.92 Arcseconds (Dawes), 1.10 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 12.3 |
| Highest Useful Magnification | 252x |
| Lowest Useful Magnification | 18x |
| Optical Tube Material | Roll-Formed Heavy-Gauge Steel Cylinder Shell with Cast Aluminum Cell Framework End Rings |
| Focuser Style & Mechanism | 1.25-inch Standard Rack and Pinion Drive Focuser Array with Manual Tension Adjuster Screw |
| Mirror Lock Mechanism | Yes (Rear Secondary Pull-and-Push Manual Collimation Retention Screws on Mirror Base) |
| Optical Tube Dimensions | 160 mm x 880 mm |
| Optical Tube Weight | 3.40 kg (7.50 lbs) - OTA Only / 11.20 kg (24.69 lbs) - Combined Total Assembly Weight |
| Mount Attachment Type | Hinged Tube Ring Array Fixed to Vixen-Style Dovetail Bar on EQ-3 Mount Head Assembly |
| Finder Scope Specification | 6x30 Optical Crosshair Finder Telescope Unit Fitted on Fixed Secondary Support Bracket |
| Included Accessories | 126mm Spherical Newtonian OTA, EQ-3 Equatorial Mount Head, Adjustable Aluminum Tripod with Accessory Tray, Heavy Balance Weights, Slow-Motion Tracking Cables, 6x30 Finder Scope, 1.25-inch Kellner 25mm Eyepiece, 1.25-inch Kellner 10mm Eyepiece |
| Standard Warranty | 2-Year Limited Warranty |
| Application | Mid-aperture equatorial deep space tracking loops observing stellar configurations, utilizing an EQ-3 platform configuration to dampen external vibration decay times. |
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