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Omegon Pro APO AP 104/650 ED Triplet OTA Specs
| Brand | Omegon Pro |
| Full Model Code | Omegon Pro APO AP 104/650 ED Triplet Apochromatic Refractor Optical Tube Assembly |
| Country of Origin | Germany (Designed) / China (Manufactured) |
| Optical Design | Apochromatic Refractor (Three-Element Triplet Air-Spaced Objective Lens Configuration) |
| Aperture | 104 mm (4.09 inches) |
| Focal Length | 650 mm |
| Focal Ratio | f/6.2 |
| Optical Coatings | SMC Ultra-Wideband Multi-Layer Anti-Reflective Dispersion Matrix Film System |
| Glass Material | FPL53 Extra-Low Dispersion Glass Element coupled with High-Index Lanthanum Glass Elements |
| Secondary Mirror Obstruction | 0 mm (Refractor System / Free Aperture Profile) |
| Secondary Mirror Obstruction by Diameter | 0.0% |
| Secondary Mirror Obstruction by Area | 0.00% |
| Resolving Power | 1.12 Arcseconds (Dawes), 1.33 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 11.8 |
| Highest Useful Magnification | 208x |
| Lowest Useful Magnification | 15x |
| Optical Tube Material | Machined Aerospace-Grade Aluminum Body Shell with Internal Micro-Baffled Glare Suppressors |
| Focuser Style & Mechanism | 2.7-inch Hybrid Linear True-Track Focuser Unit with 1:10 Micro-Focus Drive Hub and Heavy Mechanical Clamping Rail |
| Mirror Lock Mechanism | No (Refractor Mechanical Focuser Layout Inapplicable) |
| Optical Tube Dimensions | 135 mm x 540 mm |
| Optical Tube Weight | 4.90 kg (10.80 lbs) |
| Mount Attachment Type | CNC-Machined Dual Ring Clamps Fastened to Losmandy-Style Heavy Dovetail Plate Array |
| Finder Scope Specification | Not Included / Equipped with Dual Quick-Release Mounting Base Brackets for Autoguider Hardware |
| Included Accessories | 104mm Triplet ED Apo OTA, Retractable Dew Shield Hood, CNC Tube Rings, Losmandy Universal Mount Plate, 2-inch to 1.25-inch Reducer Ring Collar, Aluminum Lock-Key Storage Case |
| Standard Warranty | 2-Year Limited Warranty |
| Application | High-contrast visual planetary scanning loops and modular astrophotography projects, matching an FPL53-Lanthanum combination matrix to execute absolute chromatic correction patterns. |
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