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Celestron SC 356/3910 EdgeHD 1400 CGX-L GoTo
For large-aperture computerized tracking, the Celestron SC 356/3910 EdgeHD 1400 CGX-L GoTo combines a 355.6mm EdgeHD system with 3910mm focal length and CGX-L equatorial control.
- 355.6mm aperture provides 0.33-arcsecond resolution
- 3910mm focal length uses f/11 optics
- CGX-L mount supports heavy-duty equatorial tracking
- 23mm eyepiece and CPWI software included
- 3x 10.0kg counterweights and tripod included
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Description
Smartphone-assisted manual navigation defines the Celestron StarSense Explorer DX 5 Cassegrain, a 125 mm Schmidt-Cassegrain with a 1250 mm focal length and listed f/10 optical ratio. Its manual StarSense Explorer alt-azimuth mount uses dual-axis geared slow-motion controls and slip clutches, while the StarSense phone dock, activation code, 25 mm and 10 mm eyepieces, erect-image diagonal, StarPointer finder, aluminum tripod, and accessory tray support guided lunar, planetary, and terrestrial observation.
The system uses a compatible smartphone to analyze star patterns and calculate the telescope’s position, then provides on-screen guidance for manually moving the mount toward selected targets. The aluminum optical tube uses internal primary focusing and Fastar compatibility, while the manual mount requires no batteries or motorized tracking and instead relies on smartphone sensors, direct movement, and geared slow-motion adjustment for target centering.
Key Features of Celestron StarSense Explorer DX 5 Cassegrain
This app-guided Schmidt-Cassegrain combines a 125 mm aperture with a 1250 mm focal length, StarBright XLT coatings, manual slip-clutch mount, dual-axis slow-motion controls, StarSense phone dock, two eyepieces, erect-image diagonal, StarPointer finder, tripod, and accessory tray.
- 125 mm Schmidt-Cassegrain optical system
- 1250 mm focal length with listed f/10 optical ratio
- Manual StarSense Explorer alt-azimuth mount
- Dual-axis geared slow-motion controls
- Slip clutches for direct manual movement
- StarBright XLT optical coatings
- 25 mm and 10 mm Kellner eyepieces
- StarSense dock, finder, diagonal, tripod, and app code
App-Assisted Manual Planetary Tracking
The supplied application focuses on smartphone-assisted manual location of the Moon, planets, clusters, nebulae, and suitable terrestrial targets, with StarSense guidance calculating the telescope’s position while the user moves the alt-azimuth mount manually and uses the geared controls to refine centering without computerized drive motors.
Why Choose Celestron StarSense Explorer DX 5 Cassegrain
This model is relevant for users who want Schmidt-Cassegrain optics with a long 1250 mm focal length, smartphone-guided target acquisition, manual control, slip clutches, slow-motion adjustment, StarBright XLT coatings, upright viewing, and a complete setup that works without batteries or motorized alignment.
- StarSense guidance without motorized tracking
- Long 1250 mm focal length in a compact catadioptric tube
- Eyepieces, dock, activation code, finder, diagonal, tripod, and tray included
Celestron 2-Year Limited Warranty
The supplied product information lists a 2-year limited warranty for this telescope, while current Celestron listings may use updated StarSense Explorer product names and specifications, so the applicable US warranty terms, smartphone compatibility, optical coverage, app support, registration requirements, and authorized service process should be confirmed before purchase.
Celestron SC 356/3910 EdgeHD 1400 CGX-L GoTo Specs
| Brand | Celestron |
| Full Model Code | Celestron CGX-L Computerized Telescope 1400 EdgeHD (12078) |
| Country of Origin | United States / China |
| Optical Design | EdgeHD (Aplanatic Schmidt-Cassegrain with Integrated Doublet Field Flattener) |
| Aperture | 355.6 mm (14.0 inches) |
| Focal Length | 3910 mm |
| Focal Ratio | f/11 |
| Optical Coatings | Premium StarBright XLT High-Transmission Coatings |
| Secondary Mirror Obstruction | 114 mm |
| Secondary Mirror Obstruction by Diameter | 32% |
| Secondary Mirror Obstruction by Area | 10% |
| Resolving Power | 0.33 Arcseconds (Dawes), 0.39 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 15.3 |
| Highest Useful Magnification | 840x |
| Lowest Useful Magnification | 51x |
| Optical Tube Material | Aluminum |
| Focuser Style & Mechanism | Internal Primary Mirror Focus Assembly with Flexible Tension Clutches and 50-Mesh Rear Vents |
| Mirror Lock Mechanism | Yes (Dual Tension Knobs locking the primary mirror) |
| Optical Tube Dimensions | 400.5 mm x 787 mm |
| Optical Tube Weight | 20.86 kg (46.0 lbs) - Tube Only |
| Mount Attachment Type | CGX-L Observatory-Grade Motorized German Equatorial Mount (Heavy-Duty 144mm Worm Wheels and 270mm Dovetail Saddle) |
| Finder Scope Specification | 9x50 Optical Finder Scope with Bracket |
| Included Accessories | 23mm Luminos 2-inch Eyepiece (170x), 2-inch Mirror Diagonal with 1.25-inch Adapter, Full-Length Losmandy CGE Rail, CGX-L Equatorial Head, Heavy-Duty Stainless Steel Tripod (2.75-inch Legs), NexStar+ Hand Controller, 3x 10.0 kg Counterweights, DC Power Cable, PlaneWave Instruments CPWI Software Module |
| Power Requirements | 12V DC, 3.5 Amps (Tip Positive) |
| Standard Warranty | 2-Year Limited Warranty |
| Application | Research-grade wide-field astrophotography and high-payload sensory array alignment, seating a 14-inch aplanatic flat-field assembly onto a heavy-duty belt-driven coordinate frame to resolve tight stellar structures. |
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