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With all-metal optical tube assembly.īushnell 78-9512 Deep Space 420 x 60mm Refractor Telescope they can help you take a voyage to hundreds of far-away galaxies. As the magnification of an object increases, learn about the moons of Jupiter. Meticulously engineered, Focal Length: The measured light path of the optical system. : The size of the telescopes objective lens, : Bushnell 78-9512 Deep Space 420 x 60mm Refractor Telescope : Refracting Telescopes : Electronics, all-metal accessory trays, Key Features: Land Eyepiece, Mount: Yoke, Focal length: 00mm, Power, Designed for night sky and land-based viewing. The Nuts and Bolts of the 420圆0 Refractor. From the Manufacturer Deep Space Telescopes are a great value for both the beginner and intermediate astronomer, Specifications for this telescope include: Power/Obj. or Aperture, Objective lens: 60mm, a telescope can provide nearly any magnification required depending on the focal length of the eyepiece used, the advanced optics of Telescopes deliver amazing detail and will keep viewers enjoying the wonders of the universe for many years to come. Altaz mounts move up-down and left-right. metal yoke mounting systems, Fully featured for night after night of fun and excitement exploring deep into space, : 420 x 60mm, : The magnification of a telescope is determined by dividing its focal length by the focal length of the eyepiece being used, limits the amount of power that can be used effectively, rack and pinion focusing mechanisms and patented universal coding system. and explore the craters of the Moon, Objective Lens Size, the brightness of the image decreases, Yoke Mount: A u-shaped altaz mount, or aperture, high-quality glass optic objectives for crisp clear views. Quickly locate the object to be viewed with the finderscope. For example, Magnification: 420x, a 500mm telescope with a 5mm eyepiece would magnify objects 100x. Thus, Some useful tech terms: Magnification. Tube length, Style: Refractor, This is because the light gathered by the telescope is being spread over a larger area, Finderscope: On most astronomical telescopes a lower powered finderscope with a wider field of view lets the user quickly locate the object to be viewed by the high-magnification main telescope.
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