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Skywatcher Quattro 10S f/4 250mm Dual Speed Imaging Newtonian (steel)


Quick Overview

The Skyywatcher Quattro series with their fast f/4 focal ratios, have been specially designed for high quality astrophotography with short exposure times. They are of course also fine telescopes for visual observations. 10" Quattro Tube interiors have knife-edge ray-traced baffles.

QUATTRO-10S with Steel Tube

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: Features paraboloidal primary mirror made of low thermal expansion Pyrex glass resulting in substantially shorter cooling-down times.
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Skywatcher Quattro 10S f/4 250mm Dual Speed Imaging Newtonian (steel)


Highest Practical Power (Potential) x508
Diameter of Primary Mirror 254mm
Telescope Focal Length 1000mm (f/4)
Note: Eyepieces NOT supplied
9x50 Finderscope
Parabolic Primary Mirror (Pyrex)
2" (50.8mm) Dual-Speed 10:1 Linear Power Focuser
Tube Rings and Dovetail Bar
0.5mm Ultra-Thin Secondary Mirror Supports
56% more Light-Gathering than 200mm

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