Skywatcher AC 80/400 StarTravel 80 EQ-1 Telescope
For longer-focal-length introductory observation, Skywatcher AC 70/700 Mercury AZ-2 Telescope pairs a 70mm achromatic refractor with 700mm focal length, f/10 optics, manual fork mounting, finder, diagonal, eyepieces, and Barlow lens.
- 70mm achromatic Fraunhofer doublet
- 700mm focal length, f/10.0 optics
- Manual AZ-2 fork mount
- Includes finder, tripod, Barlow, eyepieces
- 2-year limited warranty
- Suitable for lunar observation
In Stock
Description
Explore wide Milky Way star clusters and expansive emission nebulae with the Skywatcher AC 80/400 StarTravel 80 EQ-1 Telescope compact equatorial refractor system. Designed with a fast f/5.0 focal ratio, this 80mm (3.15 in) aperture telescope features a 400mm focal length, delivering 1.45 arcseconds Dawes resolving power and reaching magnitude 12.2 for rich-field deep-sky observation.
The Skywatcher AC 80/400 StarTravel 80 EQ-1 Telescope utilizes an air-spaced achromatic doublet objective with multi-coated crown and flint optical glass elements. Its 380mm aluminum tube features an unobstructed 0% central profile and a 1.25-inch rack-and-pinion focuser with an integrated T-2 camera thread. Mounted on an EQ-1 manual German equatorial mount with counterbalance weights on an aluminum tripod, the 1.40 kg (3.09 lbs) OTA ensures smooth celestial tracking.
Key Features of Skywatcher AC 80/400 StarTravel 80 EQ-1 Telescope
Built for compact equatorial rich-field exploration and wide-field visual sweeping, this 80mm Sky-Watcher StarTravel refractor telescope pairs fast f/5.0 doublet optics with an EQ-1 mount. Its manual slow-motion tracking controls and integrated T-2 threads deliver bright, versatile deep-sky performance.
- 80mm (3.15 in) clear aperture with 400mm focal length and fast f/5.0 optical speed
- Air-spaced achromatic doublet objective with multi-coated optical glass
- 0% secondary mirror obstruction for clear unobstructed light transmission
- 1.25-inch rack-and-pinion focuser with integrated external T-2 camera threads
- EQ-1 manual German equatorial mount with counterweight and slow-motion cables
- Adjustable aluminum tripod with integrated central accessory storage tray
- Red dot finder, 1.25-inch 90-degree diagonal, and 2x Barlow lens included
- Super 25mm and Super 10mm eyepieces and Vixen-style mounting bar included
Fast f/5.0 Achromatic Doublet & T-2 Camera Threads
The 80mm objective lens gathers abundant light across a short 400mm focal path, producing bright wide-angle views of open star clusters and nebulae. Equipped with direct T-2 camera threads on the focuser drawtube, this Sky-Watcher refractor supports magnifications from 11.4x up to 160x.
EQ-1 Equatorial Mount & Slow-Motion Control Cables
Tracking deep-sky targets across right ascension requires smooth equatorial mechanics. The Sky-Watcher StarTravel 80 EQ-1 features an equatorial mount head with dual flexible slow-motion cables for micro-adjustments along celestial coordinates. Supported by a lightweight aluminum tripod and counterweight system, it provides a stable, portable platform for wide-field astronomical observation under dark skies.
- EQ-1 manual German equatorial mount with dual-axis slow-motion tracking cables
- 1.25-inch 90-degree star diagonal paired with Super 25mm and 10mm eyepieces
- Included 2x Barlow lens doubling visual magnification across all included oculars
Sky-Watcher StarTravel Series Warranty
The Skywatcher AC 80/400 StarTravel 80 EQ-1 Telescope is backed by a 2-year limited warranty against material and manufacturing defects. The complete factory package contains the 80mm refractor OTA, EQ-1 mount head, aluminum tripod with tray, counterweight, red dot finder, 1.25-inch 90-degree diagonal, two eyepieces, and a 2x Barlow lens.
Sky-Watcher AC 80/400 StarTravel 80 EQ-1 Telescope Specs
| Parameter | Specification |
|---|---|
| Brand | Sky-Watcher |
| Full Model Code / SKU / MPN | 10710 (SK804EQ1) |
| Country of Origin | China |
| Series / Product Line | StarTravel Series |
| Optical Design | Achromatic Doublet Refractor (Air-Spaced) |
| Clear Aperture | 80 mm (3.15 in) |
| Focal Length | 400 mm |
| Focal Ratio | f/5.0 |
| Optical Coatings / Substrate Treatment | Multi-Coated |
| Central Obstruction | 0% - Unobstructed Refractor |
| Glass Substrate / ED Element Spec | Crown / Flint Optical Glass |
| Corrected Image Circle / Sensor Coverage | 28 mm (Visual Field) |
| Standard Back Focus / Flange Focal Distance | Not Disclosed by Manufacturer |
| Diffraction-Limited Theoretical Resolving Power | 1.45 arcseconds |
| Limiting Visual Stellar Magnitude | 12.2 mag |
| Highest Useful Magnification | 160x |
| Lowest Practical Magnification | 11.4x |
| Focuser Architecture & Reduction Ratio | 1.25-inch Rack-and-Pinion Focuser with Integrated T-2 Thread |
| Optical Tube Assembly (OTA) Dry Weight | 1.40 kg (3.09 lbs) |
| OTA Physical Dimensions | 380 mm length, 80 mm outer diameter |
| Included Mechanical Mounting Interface | Vixen-style Mounting Bar with Tube Rings |
| Mount & Drive Type Included | EQ-1 Manual German Equatorial Mount with Counterweight and Aluminum Tripod |
| Verified Factory In-Box Inclusions | OTA, EQ-1 Mount Head, Aluminum Tripod with Tray, Red Dot Finder, 1.25-inch 90-degree Diagonal, Super 25mm and 10mm Eyepieces, 2x Barlow Lens |
| Factory Warranty Coverage | 2-Year Limited Warranty |
| Primary Optical Application & Astronomical Target Profile | Compact Equatorial Rich-Field Exploration, Open Clusters, Extended Bright Nebulae |






















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