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Sky-Watcher 150mm Sky-Watcher Quantum Refractor Telescope

B&H # SKS11150 Mfr # S11150
No Longer Available
Product Highlights
  • 150mm Aperture, f/7 Focal Ratio
  • 1050mm Focal Length
  • Fully Multicoated Optics
  • 9x50 Right Angle Finderscope
  • Thread-On Field Flattener Lens
  • 28mm Fully Multicoated Eyepiece
  • Precision Linear Bearing Focuser
  • Carbon Fiber Optical Housing
  • Aluminum Hard Shell Case
  • Equatorial Mount Compatible

The 150mm Sky-Watcher Quantum Refractor Telescope from Celestron is a high performance optical tube designed for advanced amateur astronomers and astrophotographers. Fully multicoated extra-low dispersion (ED) glass minimizes chromatic aberration and transmits bright images with impressive detail. Each optical surface is pitched polished and inspected, resulting in diffraction-limited optics that perform at the theoretical limits of the 150mm aperture. Six internal baffles and an included carbon fiber lens shade enhance image contrast by prevent stray light from degrading image quality.

This configuration of the Quantum series includes a 28mm fully multicoated eyepiece worthy of the premium optical quality of the optical tube. The field flattener lens uses optical grade Schott glass and multiple coatings on all air-to-glass lens surfaces to deliver pin-sharp images with virtually no geometric distortion. This excellent lens easily threads onto the eyepiece barrel, is compatible with optional M48 camera adapter rings, and very useful for high quality astroimaging.

All metal tube rings and a CGE-style dovetail plate makes the Quantum optical tube is ready for equatorial mounting. The carbon fiber optical housing is dent and scratch resistant in addition to delivering excellent thermal stability and reducing the weight of the optical tube. If the carbon fiber tube doesn't provide enough protection for your investment, the included aluminum hard shell case surely will by keeping the optics and included accessories safe from damage during transportation.

Apochromatic Refractor
The Quantum series apochromatic (APO) optical tubes are designed to minimize residual chromatic aberration common in two-element achromatic lens designs. Using the finest extra-low dispersion (ED) glass available, and Schott glass for the other two lens elements, Celestron's innovative triplet design delivers crisp, high-fidelity views of planetary, lunar, and deep space objects.
Field Flattener Lens
The included thread-on field flattening lens uses optical grade Schott glass and multiple coatings on all air-to-glass lens surfaces, rendering pin-sharp stars across the large 43mm image circle. The field flattener is also compatible with optional M48 camera adapter rings, making this optical tube a tool for high resolution astroimaging.
Linear Bearing Focuser
Precise optical focus is achieved through an ultra smooth, backlash-free linear bearing focuser with a generous 3.4" diameter drawtube. This rotatable mechanical focuser offers dual-speed fine and micro-fine focusing adjustments with an engraved scale.
Equatorial Mount Ready
All-metal tube rings and a CGE-style dovetail plate makes Quantum refractors ready for equatorial mounting on platforms such as Celestron's CGEM Deluxe or CGE Pro equatorial mounts.
Optical Design Refractor
Aperture 150 mm (5.91")
Focal Length 1050 mm (41")
Focal Ratio f/7
Magnification 21.0x (lowest useful), 354.0x (highest useful)
Resolution 0.93 arc seconds (Rayleigh), 0.77 arc seconds (Dawes)
Limiting Stellar Magnitude 13.4
Light Gathering Power 459.0x
Field Stop Diameter 43 mm (1.69")
Eyepiece Barrel Diameter 2"
Diagonal 2"
Ring 3" (CGE style) with dovetail plate
Eyepiece 28mm / 1.1" (38.0x magnification)
Finderscope 9x50, erect image, right angle
Optical Tube Length 39" (99 cm)
Optical Tube Weight 32 lb (15 kg)
Sky-Watcher 150mm Sky-Watcher Quantum Refractor Telescope
  • 28mm 2" Eyepiece
  • 2" Dielectric Mirror with 1.25" Adapter
  • 9x50 Right Angle Finderscope with Dovetail Bracket
  • Aluminum Hard Shell Case
  • Aluminum Dust Cover
  • Two Year Limited Warranty
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