Sky-Watcher Quattro 200P Imaging Newtonian 8" (205 mm)


Vendeur: Sky-Watcher


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Sky-Watcher Quattro 200P Imaging Newtonian 8" (205 mm)

Sky-Watcher SKU: S11210 | Helix SKU: CTS11210

Overview

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.
Specifications:
SKU 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)
Trust Guard Security Scanned