Orion Skyline 8 Telescope

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The product description for the Orion SkyLine 8" Dobsonian includes the following optical design features: - Reflector with a 200mm optical diameter and 1200mm focal length - Focal ratio of f/6.0 - Eyepieces include Plossl 9.0mm (1.25") and Erfle 30.0mm (2") - Magnifications with eyepieces are 120x and 40x - Resolving power of 0.58arc*sec - Useful magnifications range from 29x to 300x - Finder scope is 8x50 - Focuser is 2" dual-speed Crayford - Mount type is Dobsonian - Optical tube length is 46.0 in. - Tube material is steel - Weight, fully assembled is 49.2 lbs.

The Orion SkyLine 8" Dobsonian telescope features a parabolic primary mirror with 94%-96% reflectivity, providing bright views with its f/6 optics and long 1200mm focal length. It is suitable for viewing celestial objects like the Moon, planets, nebulas, star clusters, and galaxies.

Alignment of the optics is quick and easy with tools-free adjustments using knurled primary mirror adjustment knobs. The included Orion LaserMate Deluxe II collimating tool helps maintain perfect mirror alignment. The telescope also features a 2" Crayford focuser with dual-speed adjustment control and a 10:1 fine-focus ratio.

Included accessories are a 30mm Erfle eyepiece, 9mm Plossl eyepiece, 8x50 finder scope, cooling fan, and eyepiece rack. The telescope offers silky-smooth motion with azimuth roller bearings and adjustable altitude trunnions.

Overall, the Orion SkyLine 8" Dobsonian telescope is a premium option with top-notch features and accessories, ensuring a great observing experience.

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