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Sky-Watcher Quattro 250 ST Reflecting Telescope
Sky-Watcher Quattro 250 ST Reflecting Telescope

Sky-Watcher Quattro 250 ST Reflecting Telescope

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Your Price: CAD1,072.55
Retail Price:CAD1,129.00

Your Savings:CAD56.45(5%)

Usually ships in 2-3 business days
Part Number:30215.3

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DIAGONAL & BARLOW
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Guiding Systems
Field Flattener & Coma Corrector
Camera Adapters
Tube Rings
Sky-Watcher Quattro 250 ST
 
Fast focal ratio of f/4.
Black Diamond P250/F1000 Reflector. This is especially important for astro-photographers dealing with long exposure times. Imaging telescopes made of less thermally stable material can deviate from optimum focus after long time exposures. It can remain in focus for a longer period of time and long exposure images will stay clear and in focus.  
  • Tube interiors are equipped with knife-edge ray traced baffles.  

    2" DUAL-SPEED LINEAR POWER FOCUSER (both models): The new linear power focuser utilises 4 precision ball bearings to support the drawtube and provide great stability and zero image shift while supporting a heavy eyepiece or camera. Moving the drawtubeby the roller rather than a rack and pinion ensures exceptionally smooth operation, great feel and precise adjustability. The dual-speed feature has a second focus knob that has a 10:1 speed reduction to provide the super-fine adjustments even the most demanding users can appreciate.

    PYREX MIRRORS: Both models feature paraboloidal primary mirrors made of low thermal expansion Pyrex glass resulting in substantially shorter cooling-down times.
  • It comes with a impressive 0.5 mm Ultra-Thin Secondary Mirror Supports and it offers 56% more Light-Gathering than the 200mm.

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    SPECIFICATION:

  • Optical Design
    Reflector
    Lens Material
     
    Diameter
    254mm
    Focal Length
    1000mm
    Scondary Mirror Diameter
     
    F/ratio
    f/4
    Highest Practical Power
    508x
    Faintest Steller Magnitude
     
    Resoving Power
     
    Finderscope
     9x50
    Focuser diameter
     2" (50.8mm) Dual-Speed 10:1 Linear Power Focuser
    Diagonal
     
    Eyepiece(s)
     
    Shipping Weight
    18 kg
    Shipping Carton Dimensions
    106x48x48 cm3

     

    REVIEWS: Skywatcher Quattro 10CF first light
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