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We’ve improved upon the beloved CPC telescope and added acclaimed EdgeHD optics to create a system primed for serious visual observing and astroimaging. The CPC’s signature dual fork arm mount has a reegineerred worm gear motor drive for the smoothest tracking performance. Featuring the pinnacle of Celestron’s optical technology–EdgeHD–the CPC Deluxe HD offers unsurpassed views with pinpoint stars all the way to the edge of the field of view. This versatile system also meets the needs of advanced imagers, featuring All Star Polar Alignment with the optional HD Pro Wedge accessory.
EdgeHD Whitepaper
The Celestron Product Development team has released a whitepaper outlining the technology behind EdgeHD. This paper describes the development goals, design decisions, optical performance, and their practical realization in 8-, 9.25-, 11-, and 14-inch apertures. We include cross-sections of the EdgeHD series, comparative spot diagrams for the EdgeHD and competing “coma-free” Schmidt-Cassegrain designs, a table with specifications for visual and imaging, graphics showing how to place sensors at the optimum back-focus distance, and details on the construction and testing of the EdgeHD telescope series.
| Optical Design | EdgeHD |
|---|---|
| Aperture (mm) | 280 mm (11 in) |
| Focal Length | 2800 mm (110 in) |
| Focal Ratio | 10 |
| Focal Length of Eyepiece 1 (mm) | 23 mm (0.91 in) |
| Magnification of Eyepiece 1 | 122 x |
| Finderscope | 50 mm Finderscope with quick release bracket |
| Star Diagonal | 2″ w/ 1.25″ adapter |
| Mount Type | Dual Fork Arm |
| Accessory Tray | Die Cast Aluminum Leg Brace / Eyepiece holder |
| Tripod | Heavy Duty Stainless Steel Adjustable |
| Power Requirements | Car battery adapter |
| Highest Useful Magnification | 661 x |
| Lowest Useful Magnification | 40 x |
| Limiting Stellar Magnitude | 14.7 |
| Resolution (Rayleigh) | 0.5 arc seconds |
| Resolution (Dawes) | 0.41 arc seconds |
| Light Gathering Power (Compared to human eye) | 1600 x |
| Apparent Field of View | 0.67 ° |
| Secondary Mirror Obstruction | 3.75 in (95 mm) |
| Secondary Mirror Obstruction by Diameter | 34% |
| Secondary Mirror Obstruction by Area | 12% |
| Optical Coatings | Starbright XLT Coating |
| Total Telescope Kit Weight | 66 lbs (30 kg) |
| Tracking Rates | Sidereal, Solar and Lunar |
| Tracking Modes | Altazimuth, EQ North and EQ South |
| Alignment Procedures | SkyAlign, Auto Two-Star Alignment, Two-star Align, SolarSystem Align, EQ North Align, EQ South Align, One-Star Align |
| Periodic Error Correction | Permanently Programmable |
| Communication Ports | RS-232 communication port on hand control |
| Computer Hand Control | Double line, 16 character Liquid Crystal Display; 19 fiber optic backlit LED buttons |
| Database | 40,000+ objects, 100 user defined programmable objects. Enhanced information on over 200 objects |
| GPS | Internal 16 channel |
| Warranty | 2-year Telescope Warranty |

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