Orion 7338 manual

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  • Page 1

    INSTRUCTION MANUAL IN 392 Rev . A 05/10 Customer Support (800 ) 676 -1 343 • E-mail: suppor t@telescope.com Corporate Offices (831) 763-7000 • 89 Hangar W ay , W atsonville, CA 95076 © 2008-2010 Orion T elescopes & Binoculars Orion ® Deluxe 1 00mm f/6 Refractor #7338 Providing Exceptional Consumer Optical Products Since 1975 Orio nT e les[...]

  • Page 2

    2 Congratulations on your purchase of an Orion Delux e 100mm f/6 optical tube . Y our telescope has been designed with high quality precision optics and e xcellent mechanical constr uction. The linear bearing dual-speed (10:1) Cra yf ord f ocuser will make getting sharp images a breez e and reduce image shift to almost zero . The intermediate f/6 f[...]

  • Page 3

    3 trac k the motion of the night sky accurately enough and long- e xposure photography will be difficult, if not impossib le. The Deluxe 100mm f/6 comes without accessor ies. T o set up and use the guidescope for use as a guidescope you will need the f ollowing: 2 Guide scope tube rings 1 Guide scope tube r ing mounting plate 1 Illuminated reticle [...]

  • Page 4

    4 divide the focal length of the telescope by the focal length of the ey epiece: T elescope Focal Length (mm) = Magnification Eyepiece Focal Length (mm) F or ex ample , the 100mm , whi ch has a foc al length of 600m m, used in combination with a 25mm ey epiece, yields a power of: 600mm = 24x 25mm Every telescope has a useful limit of power of about[...]