Orion FunScope Instruction Manual
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Orion FunScope Instruction Manual

76mm tabletop reflector telescope
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INSTRUCTION MANUAL
FunSc pe
76mm TableTop Reflector Telescope
#10033
Customer Support:
www.OrionTelescopes.com/contactus
Corporate Offices:
Providing Exceptional Consumer Optical Products Since 1975
89 Hangar Way, Watsonville CA 95076 - USA
Copyright © 2018 Orion Telescopes & Binoculars All Rights Reserved. No part of this prod-
uct instruction or any of its contents may be reproduced, copied, modified or adapted, with-
out the prior written consent of Orion Telescopes & Binoculars.
IN 374 Rev. D 02/18

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  • Page 1 Providing Exceptional Consumer Optical Products Since 1975 89 Hangar Way, Watsonville CA 95076 - USA Copyright © 2018 Orion Telescopes & Binoculars All Rights Reserved. No part of this prod- uct instruction or any of its contents may be reproduced, copied, modified or adapted, with- out the prior written consent of Orion Telescopes &...

  • Page 2: Included Items

    Congratulations on your purchase of the Orion FunScope telescope. Your new FunScope is easy to use and arrives from the factory almost fully assembled! Only the finder scope and eyepieces need to be installed. If you have never owned a telescope before, we would like to welcome you to amateur astronomy.
  • Page 3 20mm eyepiece eyepiece Figure 1. Items included with the FunScope. 2. Getting familiar with the FunScope's features 1. Optical tube - This is the main component of the telescope. It houses the 76mm-diameter primary mirror at the bottom end and a small secondary mirror at the front end, which deflects light out the side of the optical tube through the focuser (2).
  • Page 4 It allows you to adjust the amount tension in the altitude (up/down) motion of the telescope to the desired level. 10. Feet - Three feet provide stability and ground clearance for the FunScope. They have skid-free rubber grip pads on the underside.

  • Page 5: Getting Started

    (2) and secure it with the thumbscrew. It’s best to get a feel for the basic functions of the FunScope during the day, before observing astronomical objects at night. This way you won’t have to orient yourself in the dark! Find a spot outdoors where you’ll have plenty of room to move the telescope, and where you’ll have a clear view of some...

  • Page 6: Focusing The Telescope

    Altitude and Azimuth (Aiming the Telescope) Altitude The FunScope altazimuth base (8) permits motion along two axes: altitude (up/down) and azimuth (left/right) (Figure 4). Moving the telescope up/down and right/left is the “natural” way people search for objects; which makes pointing the telescope intuitive and easy.
  • Page 7 scope. This is easiest to do during daylight hours, before observing at night. Follow this procedure: 1. First, remove the dust cover from the front of the telescope. 2. With the 20mm eyepiece already installed from step 2 above, point the tele- scope at a well-defined land target (e.g., the top of a telephone pole) that’s at least a quarter mile away.

  • Page 8: Using Your Telescope

    somewhere near the red dot. 5. You’ll want to center the target object on the red dot. Without moving the telescope, use the finder scope’s vertical and horizontal adjustment knobs (shown in Figure 5) to position the red dot on the object. 6.
  • Page 9 This is easy to do with the FunScope because of its smooth motions on both axes. As the object moves off towards the edge of the field of view, just lightly nudge the telescope tube to re-center it.
  • Page 10 The included 2x power-boosting “Barlow” lens (see ) doubles the magnify- ing power of any 1.25" eyepiece it is used with. For the FunScope, when you use the 20mm eyepiece by itself you get a magnification of 15x. But when the 20mm eyepiece is used in combination with the Barlow lens, the magnification is doubled to 30x.
  • Page 11 What to Expect So what will you see with your FunScope? You should be able to see bands on Jupiter, the rings of Saturn, myriad craters on the Moon, and many bright deep-sky nebulas and star clusters. Do not expect to see color as you do in astrophoto- graphs, since those are taken with long-exposure cameras that can record faint color.
  • Page 12 B. The Sun Never point the unfiltered FunScope at the Sun — this is not only dangerous to your eyes, but it will damage the FunScope. Warning: Do not look at the Sun with any optical instrument without a...

  • Page 13: Telescope Care And Maintenance

    Even a little dust on the mirror surfaces will not affect the optical perfor- mance in any way. If you feel the mirrors need to be cleaned, please contact Orion...

  • Page 14: Aligning The Primary Mirror

    Do not adjust the center screw. Aligning the Primary Mirror The primary mirror of the FunScope is fixed in place, so no adjustments are nec- Figure 7a essary. The view down the focuser drawtube should now resemble...
  • Page 15 Secondary mirror holder Reflection of Telescope Wall secondary mirror Drawtube (inside) Edge of Eyepiece holder secondary mirror Reflection of Retaining Reflection of your eye primary mirror Figure 7a. Collimating the optics. When the mirrors are properly aligned, the view down the focuser should look something like this. Reflection of secondary mirror...
  • Page 16 Useful acessories • Orion Moon Filter – A 1.25" Moon filter will cut down the strong glare of sunlight reflected from the Moon, making Moon viewing more comfortable and revealing more surface detail. The filter threads into the bottom of the Kellner eyepieces that came with your telescope.

  • Page 17: Specifications

    If the circle is unsymmetrical, as illustrated on the left, the scope needs collimation. • Orion Telescope Observer’s Guide (book) – This book will help you explore amazing celestial objects including nebulas, double and multiple stars, star clus- ters, the Andromeda Galaxy, and more.
  • Page 20 One-Year Limited Warranty This Orion product is warranted against defects in materials or workmanship for a period of one year from the date of purchase. This warranty is for the benefit of the original retail purchaser only. During this warranty period Orion Telescopes & Binoculars will repair or replace, at Orion’s option, any warranted instrument that proves to be defective, provided it is returned postage paid.

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