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Explore Scientific AP 127/952 ED Alu Essential OTA Specs
| Brand | Explore Scientific |
| Full Model Code | Explore Scientific ED Apochromatic Refractor 127mm f/7.5 FCD1 Aluminum Essential OTA (0112126) |
| Country of Origin | United States / China |
| Optical Design | Apochromatic Refractor (Triplet Objective Lens) |
| Aperture | 127 mm (5.0 inches) |
| Focal Length | 952 mm |
| Focal Ratio | f/7.5 |
| Optical Coatings | Enhanced Multi-Lens Coating Matrix (EMC) |
| Glass Material | Hoya FCD1 Extra-Low Dispersion (ED) Glass Element Core |
| Secondary Mirror Obstruction | 0 mm (None) |
| Secondary Mirror Obstruction by Diameter | 0% |
| Secondary Mirror Obstruction by Area | 0% |
| Resolving Power | 0.91 Arcseconds (Dawes), 1.09 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 13.0 |
| Highest Useful Magnification | 250x |
| Lowest Useful Magnification | 18x |
| Optical Tube Material | Powder-Coated Machined Aluminum Barrel Structure |
| Focuser Style & Mechanism | 2.0-inch Rack and Pinion Focuser with 10:1 Dual-Speed Gear Reduction Assembly |
| Mirror Lock Mechanism | No |
| Optical Tube Dimensions | 130 mm x 846 mm |
| Optical Tube Weight | 8.16 kg (18.0 lbs) |
| Mount Attachment Type | Universal Vixen Style Dovetail Bar with Stainless Steel Rail Protection Profile |
| Finder Scope Specification | Optional Accessory Slot Configuration |
| Included Accessories | 2.0-inch Dual-Speed Focuser, 2-inch Dielectric Diagonal (99% Reflectivity), Vixen Style Dovetail Plate, Cradle Rings with Handle, Retractable Dew Shield |
| Standard Warranty | 10-Year Extended Warranty (Requires Online Registration) |
| Application | High-resolution planetary mapping and fine double-star resolution, leveraging a rigid aluminum chassis and a true three-lens architecture to achieve excellent visual contrast boundaries. |
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