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Celestron SC 127/1250 Astro Fi 5 AZ GoTo
Wireless control shapes the Celestron SC 127/1250 Astro Fi 5 AZ GoTo, combining a 127mm Schmidt-Cassegrain with 1250mm focal length and computerized alt-azimuth movement.
- 127mm aperture provides 0.91-arcsecond resolution
- 1250mm focal length uses f/10 optics
- Astro Fi mount provides wireless GoTo
- 25mm and 10mm eyepieces included
- 12V DC power uses 8x AA batteries
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Description
Wireless planetary and deep-sky observation comes from the Celestron SC 127/1250 Astro Fi 5 AZ GoTo, a 5-inch Schmidt-Cassegrain telescope with a 1250 mm focal length and listed f/10 optical ratio. Its computerized alt-azimuth mount uses integrated WiFi and the Celestron SkyPortal app, while the StarBright XLT optics, 25 mm and 10 mm eyepieces, StarPointer finder, star diagonal, smartphone adapter, aluminum tripod, and accessory tray create a complete mobile telescope system.
The verified manufacturer listing identifies a 125 mm Astro Fi 5 optical tube with SkyAlign alignment, sidereal, solar, and lunar tracking modes, and an optional NexStar+ hand remote for access to the computerized database. The Schmidt-Cassegrain optical design combines a corrector lens and mirror system in a compact aluminum tube, while the integrated smartphone adapter supports compatible phone-assisted recording through the eyepiece.
Key Features of Celestron SC 127/1250 Astro Fi 5 AZ GoTo
This computerized Schmidt-Cassegrain telescope combines a 5-inch optical tube with a 1250 mm focal length, StarBright XLT coatings, integrated WiFi, SkyPortal app control, SkyAlign setup, motorized alt-azimuth movement, smartphone support, two eyepieces, finder, diagonal, tripod, and accessory tray.
- 125 mm Schmidt-Cassegrain optical system
- 1250 mm focal length with listed f/10 optical ratio
- Computerized Astro Fi alt-azimuth single-fork mount
- Integrated WiFi and SkyPortal app control
- SkyAlign alignment procedures
- StarBright XLT optical coatings
- 25 mm and 10 mm eyepieces
- StarPointer finder, star diagonal, and smartphone adapter
Wireless Automated Observation
The supplied application focuses on wireless automated location and tracking of lunar features, planets, star clusters, nebulae, and suitable terrestrial targets, with the Astro Fi mount receiving commands through SkyPortal while the 1250 mm focal length and Schmidt-Cassegrain design support the listed long-focus observing format.
Why Choose Celestron SC 127/1250 Astro Fi 5 AZ GoTo
This model is a suitable choice when a buyer wants a compact Schmidt-Cassegrain telescope with StarBright XLT coatings, computerized WiFi control, SkyAlign setup, automated tracking, smartphone imaging support, two eyepieces, finder, diagonal, aluminum tripod, and a complete mobile configuration for lunar, planetary, and deep-sky viewing.
- StarBright XLT optics with a compact 5-inch Schmidt-Cassegrain tube
- Wireless SkyPortal control with computerized tracking modes
- Smartphone adapter, eyepieces, finder, diagonal, tripod, and accessory tray included
Celestron 2-Year Limited Warranty
The supplied product information lists a 2-year limited warranty for this telescope, while the current manufacturer listing identifies a 125 mm Astro Fi 5 configuration, so buyers should confirm the current US warranty terms, WiFi and app support, registration requirements, optical coverage, mount electronics coverage, and authorized service process before purchase.
Celestron SC 127/1250 Astro Fi 5 AZ GoTo Specs
| Brand | Celestron |
| Full Model Code | Celestron Astro Fi 5-inch Schmidt-Cassegrain (22204) |
| Country of Origin | United States / China |
| Optical Design | Schmidt-Cassegrain (Catadioptric Core) |
| Aperture | 127 mm (5.0 inches) |
| Focal Length | 1250 mm |
| Focal Ratio | f/10 |
| Optical Coatings | Premium StarBright XLT High-Transmission Coatings |
| Secondary Mirror Obstruction | 50.8 mm |
| Secondary Mirror Obstruction by Diameter | 40% |
| Secondary Mirror Obstruction by Area | 16% |
| Resolving Power | 0.91 Arcseconds (Dawes), 1.10 Arcseconds (Rayleigh) |
| Limiting Visual Magnitude | 13.0 |
| Highest Useful Magnification | 300x |
| Lowest Useful Magnification | 18x |
| Optical Tube Material | Aluminum |
| Focuser Style & Mechanism | Internal Primary Mirror Focus Assembly |
| Mirror Lock Mechanism | No |
| Optical Tube Dimensions | 152 mm x 330 mm |
| Optical Tube Weight | 2.72 kg (6.0 lbs) - Tube Only |
| Mount Attachment Type | Astro Fi Computerized Alt-Azimuth Single-Fork Arm Mount (Integrated Wireless Network Module) |
| Finder Scope Specification | StarPointer Red Dot Finder |
| Included Accessories | 25mm Kellner Eyepiece (50x), 10mm Kellner Eyepiece (125x), 90-Degree Star Diagonal (1.25-inch), Lens Cap with Integrated Smartphone Imaging Bracket, Astro Fi Alt-Azimuth Mount Head, Aluminum Tripod with Accessory Tray |
| Power Requirements | 12V DC via 8x AA batteries or optional external AC-DC adapter |
| Standard Warranty | 2-Year Limited Warranty |
| Application | Wireless automated tracking via smartphone software, steering an f/10 XLT-coated catadioptric tube over a streaming local network to pinpoint lunar terrain features and bright gas planets. |
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