Cassini 800 mm x 80 mm Reflector Telescope White
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Cassini 800 mm x 80 mm Reflector Telescope White, Cassini 800 mm x 80 mm Reflector Telescope White. It's easy use up and down left and right movement is great for beginners and casual star gazers alike. The Mount features a slow motion alitude adjustment rod for precision adjustments and is attached to a very sturdy fully adjustable pre-assembled metal tripod with retractable rubber feet. The tripod also features an accessory tray with slots to place 4 1.25in eyepieces or lenses. The telescope tube features heavy duty metal primary and secondary mirror cells. The Cassini C-80EFS features our unique Electronic Wireless Focuser enabling the user to focus the telescope without touching it for improved image viewing. The Cassini C-80EFS optical tube assembly features an 800mm focal length. The Primary mirror is a 80mm heavy duty mirror cell with push / pull collimation screws. The primary mirror is aluminized with Silicon Monoxide Quartz overcoat providing 92percent reflectivity and a resolving power of 1.4 arc seconds. The secondary mirror has an obstruction of approximately 25percent linear (approximately 6percent of the total area). The optical tube assembly is diffraction limited at 4 (1/4 wave in Sodium light). The finderscope isCassini's Mars' Eye electronic Finderscope which helps by getting the observer behind the telescope without losing the surrounding field of view when targeting objects. Included with the C-80EFS are an 1.25in 6mm eyepiece (40degrees apparent field of view) an 1.25in 20mm eyepiece (52degrees apparent field of view). Specifications for Cassini C-80EFS 800 mm x 80 mm Reflector Telescope: Manufacturer: Cassini Included Accessories: Two Speed Wireless Hand Box 1.25in 2 element 3x Astroscopic Barlow Magnification: 40 - 133 x Finish: White Objective Lens Diameter: 80 mm Objective Aperture: 80 mm Focal Length: 800 mm Focal Ratio: 10 Color: White Finderscope: Red-dot Optical Coating: Aluminized w/Silicon Monoxide Quartz Overcoat Features of Cassini C-80EFS 800 mm x 80 mm Reflector Telescope: 800mm x 80mm Optical Tube Assembly Diffraction limited Optical Tube Assembly ( 4) Altitude Azimuth Yoke Mount Slow Motion Altitude Adjustment Rod Wireless Electronic Image Stabilizing 1.25in Helical Rack & Pinion Focuser Fully Adjustable Heavy Duty Pre-assembled Metal Tripod w/Accessory Tray & Retractable Rubber Feet Cassini Mars Eye Electronic Finderscope 1.25in 20mm Eyepiece 1.25in 6mm Eyepiece Cassini Planetarium CD-ROM One Year Warranty Package Contents: Cassini C-80EFS 800 mm x 80 mm Reflector Telescope Cassini C-80EFS: 800 mm x 80 mm Reflector Telescope White