Telescope SkyWatcher QUATTRO-8S 205/800 OTA

Price: 765.00 EUR / 2 641.39 Lt.

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205MM F/4 DUAL-SPEED PARABOLIC IMAGING NEWTONIAN
The new 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. Tube interiors have knife-edge ray traced baffles.

Two versions of the QUATTRO-8 OTA`s are available:

QUATTRO-8S with Steel Tube
QUATTRO-8CF with Carbon Fibre Tube

CARBON FIBRE TUBE (QUATTRO-8CF only):Carbon fibre is a strong and lightweight material and has much better thermal stability compared to a steel tube. 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. With a carbon fibre tube, it can remain in focus for a longer period of time and long exposure images will stay clear and in focus.

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.


Standard Specification:

Highest Practical Power (Potential) x410

Diameter of Primary Mirror 205mm

Telescope Focal Length 800mm (f/4)

Note: Eyepieces NOT supplied

9x50 Finderscope

Parabolic Primary Mirror (Pyrex)

2`` (50.8mm) Dual-Speed 10:1 Linear Power Focuser

Tube Rings & Dovetail Bar

0.5mm Ultra-Thin Secondary Mirror Supports

77% more Light-Gathering than 150mm

note: equatorial mount not included