QUATTRO-150P

150mm f/4 Dual-Speed Parabolic Imaging Newtonian Complete with Aplanatic Super Coma Corrector

QUATTRO-150P
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QUATTRO-150PQUATTRO-150PQUATTRO-150P
SRP: £529.00

Product Code:  10248
Brand:  Sky-Watcher



Sky-Watcher


"“….The Quattro demonstrated that despite its astrograph pedigree, it can offer worthy visual observations if desired. With our CCD camera attached to the corrector, the Quattro 150P really came into its own. Focusing was easy and accurate, and the star shapes in the corners of our 16mm sensor images were perfectly acceptable. The Quattro has thin spider vanes, producing sharp diffraction spikes, so the Pleiades cluster, M45, proved to be an ideal target and we were able to capture plenty of nebulosity with three-minute exposures. The wide view on offer is great for large targets such as the Andromeda Galaxy, M31, or the nearby Triangulum Galaxy, M33, and in both cases we were impressed by the fast capture of plenty of good quality data….”."
BBC Sky At Night Magazine

The new QUATTRO-150P with it's fast f/4 focal ratio has been specially designed for high quality astrophotography with short exposure times and is also a fine telescope for visual observations. 

Supplied complete with it's own bespoke, optically matched  M48 Aplanatic Super Coma Corrector comprising four lens elements including one ED element, that shortens the focal ratio to f/3.45.

Supplied with the same Linear Power Focuser as the other models in the Quattro range, which utilises four 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.

(Please note the tube interior does not feature internal baffles like some of the other Quattro models)

 

  • Highest Practical Power (Potential) x300
  • Diameter of Primary Mirror 150mm
  • Telescope Focal Length 600mm (f/4)
  • Note: Eyepieces not supplied
  • 6x30 Finderscope
  • M48 Aplanatic Super Coma Corrector 2"/50.8mm (Image circle 21.7mm, APS-C compatible, 55mm required back-focus)
  • Focal Ratio with Coma Corrector: F/3.45
  • Parabolic primary mirror & secondary mirror with Radiant™ Aluminum Quartz (RAQ™) coating providing up to 94% reflectivity with optimal durability and long term performance
  • 2" (50.8mm) Dual-Speed 10:1 Linear Power Focuser
  • Tube Rings & 45mm Dovetail Bar
  • 0.5mm Ultra-Thin Secondary Mirror Supports
  • Weight 5.7kg
  • 73% more Light-Gathering than 114mm

 

 
PARABOLIC PRIMARY MIRRORS
Features High Quality Parabolic Primary Mirrors to eliminate spherical aberrations inherent in 'fast' focal lengh reflectors with spherical primary mirrors. The mirrors are parabolized to bring all the light rays to the same focal point to give sharp, constrasty images, which are full of detail.
SKY-WATCHER DELUXE MIRROR COATINGS
Most reflectors today usually have a coat of aluminium as the mirror surface and then an overcoat of silicon monoxide or silicon dioxide to protect it. Silicon dioxide produces a much more durable coat than silicon monoxide but requires specialized equipment to apply it and is therefore more expensive. Protection is needed, because in most reflectors, the mirror is open to the elements and deterioration of the reflective layer reduces the resolution of the telescope. ALL Sky-Watcher reflectors are Multi-Coated with Silicon Dioxide as standard for Optimum Durability and Long Term Performance.
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