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Not Returnable
Please note that used items are not returnable.
This is a trade-in of a one-year-old scope; the previous owner moved on to a refractor instead. It is in excellent condition, with clean optics and body. It is the bare OTA only and the 2-inch visual back only; it doesn't include any accessories.
- 127mm Maksutov-Cassegrain
- 1500 mm (f/12)
- Fully multi-coated
- 2" visual back
- Black V-style dovetail plate
The Sky-Watcher Maksutov-Cassegrains are the ultimate take-anywhere telescopes. Despite their small dimensions they pack a powerful punch. Their high-resolution, diffraction-limited optical systems are multi-coated to maximize contrast and image sharpness.
Specifications
| Optical Info | |
|---|---|
| Optical Design | Mak-Cass |
| Mirror Coatings | 94% Aluminum |
| Lens Coatings | Fully Multi-Coated |
| Glass Type | BK7/Borosilicate |
| Primary Aperture (mm) | 127 |
| F/Ratio | 12.1 |
| Focal Length (mm) | 1540 |
| Secondary Diameter | 39mm |
| Secondary Obstruction (by diameter) | 31% |
| Secondary Obstruction by Area | 9% |
| Observational Info | |
| Dawes Limit | 0.91 |
| Rayleigh Limit | 1.1 |
| Limiting Mag. | 13 |
| Minimum Magnification | 18 |
| Maximum Magnification | 250 |
| Light Gathering (compared to next size down) | 55% |
| General Info | |
| Focuser | Primary Mirror |
| OTA Length (Retract/Ext.) | 15" |
| OTA Outer Diameter | 5.75" |
| OTA Weight (with accessories) | 9.7 |
| Accessories | |
| Included Finder | None |
| Included Diagonal | None |
| Mounting Accessories | V-Rail |
| Included Eyepieces | None |
| Magnification w/ Included Eyepieces | N/A |
| Included Case | No |
| Corrector | No |