Browse·Reflectors·Sky-Watcher Explorer 130M
Sky-Watcher
Sky-Watcher Explorer 130M
A solid mid-size Newtonian reflector that balances portability with serious light-gathering capability.

Worth knowing before you buy
Stock focuser quality issues - multiple users report the focuser needs replacement or modification (one user replaced it…
Plastic focuser construction - at least one 8" Meade Dob has a plastic focuser that users dislike, especially with threa…
Limited to 1.
Head to head
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Frequently asked
Questions from owners
Sourced from Cloudy Nights discussions.
- How portable is the Explorer 130M?
- The Explorer 130M is frequently praised as highly portable and 'grab-and-go' friendly. Multiple users report being able to carry the entire assembly outside in one trip and transport it in standard car trunks, making it one of the most portable 130mm reflectors available.
- What are the cooling/cooldown characteristics?
- Members report the Explorer 130M cools down relatively quickly compared to larger scopes, though not as fast as refractors. One owner notes cooldown is 'relatively quick but it is not a refractor in that regard,' making it reasonable for portable observing sessions.
- How does it perform on planets versus deep sky objects?
- The scope performs well on both. Users report 'decent on the planets' and praise its wide field of view capability for deep sky objects.
- What mount issues should I expect?
- The stock mount can be problematic. One owner of a similar Orion Space Probe 130 model strongly dislikes the 'venerable eq-2 mount' and suggests upgrading to an EQ-3 or better.
- Does the focuser need upgrades?
- Multiple owners of 130mm Newtonians report the stock focuser has issues and commonly upgrade to Crayford or Moonlite units. One Space Probe 130 owner specifically upgraded to a 2-inch focuser, suggesting the stock 1.
- How does optical quality compare?
- Users report good optics for the price point. One Space Probe 130 owner calls it 'a solid performer' with 'nicely figured' optics, though an older Criterion 130mm f/7 Newtonian is praised more enthusiastically.
Full Specifications
Optics
| Aperture | 130mm |
| Focal Length | 900mm |
| Focal Ratio | f/6.92 |
| Optical Design | Newtonian Reflector |
| Coatings | Parabolic primary mirror with multi-coated optics |
Mount & Tracking
| Mount Type | Equatorial |
| GoTo (Computerised) | No |
| Tracking | No |
Focuser
| Focuser Size | 1.25" |
| Focuser Type | Rack and pinion |
Physical
| OTA Weight | 3.5kg |
| Total Weight (with mount) | 9.2kg |
| Tube Length | 640mm |
| Tube Material | Steel |
Included Accessories
| Eyepieces | 25mm and 10mm Kellner |
| Finder Scope | 6x30 optical finder scope |
| Diagonal | No |