Sexual Astrology - : Galileo Dobsonian Telescope- 1100x135mm

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from: Galileo See Larger Image Third Party New Price: $99.99 Batteries Included: 1 Battery Description: 1 CR2032 Brand: Galileo EAN: 0798932011354 Label: Galileo Manufacturer: Galileo Publisher: Galileo Studio: Galileo Features: Color: White Satin Size: 17" H x 17" W x 45.5" D See Full Text for Information Accessories: 3-Year Extended Service Plan - Covers Electronic Items $0-$200 - Repair Editorial Review: Product Description: Introducing the DB-135 Dobsonian table top telescope! The DB-135 telescope combines a large aperture telescope and ease of use at an affordable price. The easy to use Altitude/Azimuth Dobsonian base is so easy to use, you will amaze yourself as well as friends and family the first night you use it. Plus, not only will it produce beautiful astronomical images, it will also beautify your home. The sturdy Dobsonian base is delicately finished in cherry wood and skillfully carved to adorn your home with style and grace. The telescope itself is finished in a pearl white with cherry wood accents to compliment the cherry wood finished base. For beauty in the heavens and the earth there is no better choice than this Dobsonian telescope! The DB-135 optical tube assembly features a 1100mm focal length. The primary mirror is a 135mm heavy duty mirror cell with push/pull collimation screws. The primary mirror is aluminized with Silicon Monoxide Quartz overcoat providing 92-percent reflectivity and a resolving power of .86 arc seconds. The secondary mirror has an obstruction of approximately 25-percent linear (approximately 6-percent of the total area). The optical tube assembly is diffraction limited at 1/4 wave in Sodium light. The focuser is a 2' format metal helical rack and pinion focuser with a 2' to 1 1/4' adapter to enable the use of larger 2' eyepieces. The CIR electronic finder scope is similar in design to the Tel Rad finder. Included with the DB-160 are a 1 1/4' 25mm' Browse for similar items by category: Classroom Science Supplies - Classroom Supplies - Education & Crafts - Office & School Supplies - Categories - Office Products - Telescopes Electronics - Categories - Target - Cameras + Accessories Science - Learning & Education - Categories - Toys & Games - Telescopes