Télescope Skywatcher (10237)
SKY WATCHER NEWTON QUATTRO-12S 300MM F/4 DUAL-SPEED PARABOLIC IMAGING NEWTONIAN
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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.
Please note the QUATTRO-12S is internally darkened and does not contain baffles like the other Quattro models.
QUATTRO-12S with Steel Tube
2" DUAL-SPEED LINEAR POWER FOCUSER: 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 MIRROR: The QUATTRO-12S features a paraboloidal primary mirror made of low thermal expansion Pyrex glass resulting in substantially shorter cooling-down times.