Home > Astronomical Telescopes > Skywatcher > Quattro Series
Model: 10239Brand: Skywatcher
Generally In Stock, Please Confirm Before Ordering
The 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.
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 drawtube by 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.(Please note the Quattro-250P was previously named Quattro-10S)
Highest Practical Power (Potential) x508Diameter of Primary Mirror 254mmTelescope Focal Length 1000mm (f/4)Note: Eyepieces NOT supplied9x50 FinderscopeParabolic Primary Mirror (Pyrex)2" (50.8mm) Dual-Speed 10:1 Linear Power FocuserTube Rings and Dovetail Bar0.5mm Ultra-Thin Secondary Mirror Supports56% more Light-Gathering than 200mm
"Having tested and reviewed a wide range of astronomical telescopes over the last couple of decades, for me there's one manufacturer that's risen above the rest in terms of delivering a coherent range of uncompromising, well-conceived designs, embodying consistently good optics and sensibly engineered mounts at very competitive prices — that's Sky-Watcher!!"Ade Ashford BScAde Ashford has tested and reviewed astronomical equipment in a professional capacity for several publications, including Sky & Telescope, Astronomy Now & BBC Sky At Night Magazine.
"I have used a great number of telescopes; some are good, some mediocre and some bad. To me the Sky-Watcher range of instruments are very good indeed, and suited to amateurs of all kinds – and they are not priced out of the market! Excellent value.Use them and enjoy them."Sir Patrick Moore CBE FRS (1923 to 2012)
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