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- Maksutov-Cassegrain optical design
- Primary and secondary mirrors feature proprietary Radiant Aluminum Quartz™ (RAQ™) coatings
- Corrector plate featuring Metallic High-Transmission Coatings (MHTC) virtually eliminates chromatic aberrations
- 200mm aperture, 2000mm focal length
- Aluminum tube coated with glossy, white diamond metal-flake finish
- Included accessories: 12-volt battery pack for the cooling fan and a camera extender adapter
If you’re seeking crisp, contrasty views with high levels of detail, look no further than the Skymax series, Sky-Watcher’s premiere line of Maksutov-Cassegrains. Generally regarded as producing a sharper image than Schmidt-Cassegrains, Maksutovs offer astronomers a large visual aperture, high contrast and long focal length in a compact package. These telescopes deliver higher levels of planetary detail due to a focal length that is 5-7 times longer than your average Newtonian or refractor telescope.
Skymax Maksutovs feature mirrors constructed of borosilicate, polished and coated with Sky-Watcher's proprietary Radiant™ Aluminum Quartz™ (RAQ™) coatings, which produce a remarkable 94% reflectivity. All Maksutovs use a corrector plate to help reduce chromatic aberration, which is then coated using signature Metallic High-Transmission Coatings™ (MHTC™), producing professional grade optics at an affordable price.
The Skymax 200DX includes a 12-volt battery pack for the cooling fan and a camera extender adapter.
| Optical Specifications | |
|---|---|
| Optical Design | Maksutov-Cassegrain |
| Mirror Coating | RAQ™ Coatings |
| Reflectivity | 0.94 |
| Mirror Type (Monolithic/Conical/Fused conical) | Monolithic |
| Corrector Coating | HTMC™ |
| Glass Type | Borosilicate |
| Primary Aperture (mm) | 200mm |
| F/Ratio | 10 |
| Focal Length (mm) | 2000mm |
| Secondary Diameter (minor axis) | 74mm |
| Secondary Obstruction by Diameter | 0.47 |
| Secondary Obstruction by Area | 0.22 |
| Image Circle | 44mm |
| Primary cell supports (how many support points) | Center Baffle |
| Collimatable Cell | Primary |
| Mechanical Specifications | |
| Focuser Type | Zero-Shift Primary Focus |
| Focuser Size | 2" |
| Focuser: Dual or Single Speed | Single |
| Compression Ring | No |
| Optical Tube length | 25.5" |
| Optical Tube diameter | 9.25" |
| Optical Tube weight | 26.5 pounds |
| Shipping Weight | 31 pounds |
| Shipping Dimensions | 33" x 14" x 16" |
| Accessories | |
| Eyepieces | None |
| Collimation eyepiece | No |
| Included finder | No |
| Mounting Hardware | D-style Dovetail |
| Additional Accessories | Built-In 12v Cooling fan, battery pack & camera adapter (M48) |
| Manual | Yes |
| Case | No |
| Observational Info | |
| Dawes Limit | 0.58 |
| Rayleigh Limit | 0.7 |
| Limiting Magnitude | 13.98 |
| Minimum Magnification | 28x |
| Maximum Magnification | 394x |
| Light Gather (compared to next size down) | 123% (compared to Skymax 180) |
| Intended use | Visual/Imaging |