Orion 9786 manual

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Table of contents for the manual

  • Page 1

    INSTRUCTION MANUAL IN 319 Rev . A 09/07 Providing Exceptional Consumer Optical Products Since 1975 Customer Support (800)-676-1343 E-mail: support@telescope.com Corporate Offices (831)-763-7000 89 Hangar W ay , Watsonville, CA 95076 Orion ® 6" Newtonian Imaging Reflector #9786[...]

  • Page 2

    2 Figure 1 . The 6" Ne wtonian Imaging Reflector . Focuser Focus wheel Primar y mirror cell Secondary mirror holder Fine focus wheel Dov etail holder Focuser thumbscrew Drawtube extension thumbscrew Focus wheel Focus loc k thumbscrew[...]

  • Page 3

    3 Congratulations on y our purchase of an Orion 6" Newtonian Imaging Reflector . Y our 6" Newtonian Imaging Reflector is a Ne wtonian reflec - tor telescope with high quality optics and e xcellent mechani - cal construction. It has been specially optimized f or use with astronomical CCD imaging cameras . These instr uctions will help you [...]

  • Page 4

    4 divide the f ocal length of the telescope by the focal length of the ey epiece: T elescope Focal Length (mm) = Magnification Eyepiece Focal Length (mm) F or example, the 6" Ne wtonian Imaging Reflector , which has a f ocal length of 750mm, used in combination with a 25mm ey epiece, yields a magnification of 750 mm = 30x 25 mm Every telescope[...]

  • Page 5

    5 tom. This helps center your e ye so collimating is easy to per- f or m. Figures 3b through 3e assume you ha ve the collimating cap in place. In addition to the collimating cap , you’ll notice a small ring label on the e xact center of the pr imary mirror . This “center mark” allo ws you to achie ve a v er y precise alignment of the primar y[...]

  • Page 6

    6 ar y mirror holder until the reflection of the primar y mirror is as centered in the secondar y mirror as possib le. It ma y not be perf ectly centered, but that is OK for no w . Tighten the three small alignment setscrews equally to secure the secondary mirror in that position. T o adjust the secondar y mirror up-and-down in the f ocuser dra wtu[...]

  • Page 7

    7 Figure 8. A star test will determine if the telescope's optics are properly collimated. A defocused vie w of a br ight star through the ey epiece should appear as illustrated on the right if optics are per- fectly collimated. If the circle is unsymmetr ical, as illustrated on the left, the scope needs alignment. Out of collimation Collimated[...]

  • Page 8

    8 One-Y ear Limited W arranty This Orion 6" Newtonian Imaging Reflector is warr anted against defects in materials or workmanship for a period of one year from the date of purchase. This warranty is f or the benefit of the original retail pur - chaser only . Dur ing this w arranty period Or ion T elescopes & Binoculars will repair or repla[...]