Sky-Watcher 8" Quattro 200P Imaging Newtonian S11210
Manufacturer Part # S11210
Manufacturer Part # S11210
If you are an astro-photographer looking for a fast optical system at a fantastic price then the Quattro series is for you.
The Sky-Watcher 8" f/4 Quattro Imaging Newtonian has . . .
The 8" Sky-Watcher Quattro Imaging Newtonian with dual-speed focuser is optimized for wide-field deep space imaging, but can also be used for pleasing visual observing. It incorporates a superbly-figured multi-coated borosilicate optical glass mirror-set. Additionally, the tube length has been slightly shortened to optimize performance for wide-field prime-focus photography. Even better field edge performance for astrophotography, and visual use, can be achieved by adding the Sky-Watcher Quattro coma corrector.
This Sky-Watcher 8" Quattro imaging Newtonian is ultra-fast and incredibly simple to use. The f/4 optical system allows the user to capture wide field images of faint deep space objects such as nebulae, open clusters, and galaxies over six times faster than using an f/10 system. This gives you the ability to acquire more images in less time. The Newtonian optical design is one of the most basic, and therefore trouble-free, systems available to astrophotographers.
Aperture | 8" |
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Focal Length | 800mm |
Focal Ratio | f/4 |
Weight | 21 pounds |
Optical Coatings | Fully Multi-Coated |
Supplied Eyepiece | None |
Telescope Type | Reflector |
View Finder | 8x50 |
Warranty | 2 years |
SKU | S11210 |
UPC | 050234112109 |
Optical Info | |
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Optical Design | Newtonian |
Mirror Coatings | Radiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity |
Glass Type | Borosilicate |
Primary Aperture (mm) | 203 |
F/Ratio | 4 |
Focal Length (mm) | 800 |
Secondary Diameter | 70mm |
Secondary Obstruction (by diameter) | 34% |
Secondary Obstruction by Area | 12% |
Observational Info | |
Dawes Limit | 0.57 |
Rayleigh Limit | 0.69 |
Limiting Mag. | 14 |
Minimum Magnification | 29 |
Maximum Magnification | 400 |
Light Gathering (compared to next size down) | 78% |
General Info | |
Focuser | 2" Dual Speed Crayford |
OTA Length (Retract/Ext.) | 28" |
OTA Outer Diameter | 9.375" |
OTA Weight (with accessories) | 21 |
Accessories | |
Included Finder | 9x50 Finder |
Included Diagonal | No |
Mounting Accessories | Rings/V-Rail |
Included Eyepieces | None |
Included Case | No |
Corrector | No (optional) |
8x50 Finder Tube Rings with Vixen style dovetail bar
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