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S11210 SKYWATCHER QUATTRO 200P 200MM/8" NEWTONIAN REFLECTOR

$869.95
Weight:
15.0000 LBS
Shipping:
Calculated at checkout
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Product Description

PRODUCT FEATURES

The new Sky-Watcher Quattro Imaging Newtonian with dual-speed focuser incorporates a superb mirror-set with two significant advantages over competing products. A 2" dual-speed 10:1 ratio focuser is included for excellent focusing precision. Additionally, the tube length has been slightly shortened to optimize performance for prime-focus photography.

Even better performance for astro-photography, and visual use, can be achieved when used in combination with the Sky-Watcher Quattro coma corrector.

 Specifications

KU S11210
UPC 050234112109
Optical Info 
Optical Design Newtonian
Mirror Coatings 94% Aluminum
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)

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