If you are in need of a fast f/2.0 equatorial system, then check out Celestron’s RASA 8 telescope. With the fast f/2.0 optics, Celestrons RASA 8 Astrograph lets you capture detailed images of the night sky, even nebulae and galaxies. That means you can easily capture the rings of Saturn, the Veil of Orion, and even the Orion Nebula without the lengthy exposure times needed for longer telescopes. With the RASA 8, Celestron has created an equatorial mount that is compact enough for visual use and is easy to operate. They have also added an internal filter mount and a dovetail mounting bar to this OTA and made it compatible with the ion assisted CGE dovetail system. The Celestron RASA 8 is a powerful way to see the brightness of the stars and get a virtual real-time experience of them with your imaging devices. Specifications for Celestron Telescope RASA 8 f/2.0, OTA Only: Manufacturer: Celestron Included Accessories: M42 camera adapter, C-thread camera adapter, fan battery pack Objective Aperture: 203 mm Focal Length: 400 mm Focal Ratio: f/2.0 Color: White Optical Coating: StarBright XLT Features of Celestron Telescope RASA 8 f/2.0, OTA Only: Flat field free of optical aberrations like field curvature coma astigmatism and chromatic aberration across an entire APS-C sensor. NEW Ultra-Stable Focus System six precision sealed ball bearings virtually eliminate image shift. Integrated air cooling system 12V DC MagLev fan reduces cooldown time and provides optimal air flow while filtering out dust. Internal filter mount seamlessly accommodates a Light Pollution Imaging Filter into the optical path. CGE dovetail mounting rail. Performs over a wider spectral range than most telescopes from 390-800 nm so more of the light passing through the astrograph is in sharp focus. Optical Design: Rowe-Ackermann Schmidt Astrograph Aperture: 203mm (8″) Focal Length: 400mm (15.74″) Focal Ratio: f/2.0 Central obstruction diameter: 93mm (3.66″) (46% of aperture diameter) Light Gathering Power (Compared to human eye): 843x Resolution (Rayleigh): 0.68 arc seconds Resolution (Dawes): 0.57 arc seconds Image Circle: 22mm (.86″) 3.15degree Useable field: 32mm (1.26″) 4.6degree only minimal performance loss at edge of FOV Wavelength range: 390 – 800 nm Spot size:Included Accessories: M42 camera adapter C-thread camera adapter fan battery pack Package Contents: Celestron Telescope RASA 8 f/2.0, OTA Only
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