ORION TELESCOPES & BINOCULARS Observer 70mm AZ 9881 Instruction Manual Download | Manualshive

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Figure 2a.

Optical tube components.

Figure 2b.

Observer 70 focuser detail.

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Observer 70 Telescope Tube

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Summary of Contents for Observer 70mm AZ 9881

Page 1: ...Providing Exceptional Consumer Optical Products Since 1975 Customer Support 800 676 1343 E mail support telescope com Corporate Offices 831 763 7000 P O Box 1815 Santa Cruz CA 95061 Orion Observer 70mm AZ 9881 Altazimuth Refractor Telescope ...

Page 2: ...2 ...

Page 3: ...micro motion control rod and thumbwheel 13 3 Tripod legs 6 with attached accessory tray bracket 22 1 Accessory tray 7 1 EZ Finder II reflex sight 4 1 EZ Finder II mounting bracket 11 3 Tripod attachment screws 21 with wingnuts and washers 3 Accessory tray attachment wing screws 3 Leg lock knobs 23 2 Yoke knobs 18 1 25mm Explorer II eyepiece 3 1 10mm Explorer II eyepiece 24 1 90 mirror star diagona...

Page 4: ...4 Figure 1 Observer 70 Components 5 1 4 3 2 6 7 Observer 70 Refractor ...

Page 5: ...n more detail in the Using Your Telescope section EZ Finder II reflex sight This is a special finder that helps you aim the tele scope and locate objects in the sky for viewing The EZ Finder II generates a red LED dot that shows where your telescope is aimed The use of the EZ Finder II is discussed in the Getting Started section Altazimuth yoke mount The mount couples the telescope to the tripod a...

Page 6: ...Figure 2a Optical tube components Figure 2b Observer 70 focuser detail 6 8 9 10 11 12 14 15 16 1 3 13 18 Observer 70 Telescope Tube 2 15 14 16 17 2 17 ...

Page 7: ...90 mirror star diagonal 2 is insert ed The drawtube is adjusted by the turning the focus wheel 15 which adjusts a rack and pinion gear sys tem to bring objects into focus Focus wheels These wheels when turned move the focuser draw tube 14 in or out Use it to bring things into focus when you are looking in the eyepiece 3 Diagonal holder thumbscrews These two thumbscrews secure the 90 mirror star di...

Page 8: ...Figure 3b Observer 70 Tripod leg and mount attachment detail 8 Figure 3a Tripod and mount detail 5 20 21 6 Observer 70 Tripod and Mount 18 19 21 7 22 23 6 20 21 21 ...

Page 9: ...k the tripod legs into place Loosen them to lengthen or shorten the tripod legs Tighten them once you have the leg at the desired length Be certain that all three tripod legs are equally extended to assure your telescope is level Items not shown These items are included with your telescope but are not shown in Figure 1 2 or 3 10mm Explorer II eyepiece This is a second high powered eyepiece providi...

Page 10: ... side of the optical tube Slide the screw through the hole at the end of the micro motion rod and rethread the screw into the attachment post Make sure the screw is tight ened The tripod is now completely assembled and the altazimuth yoke mount is ready for the installation of the optical tube 6 To install the optical tube 1 in the altazimuth yoke mount 5 first slide the altitude micro motion cont...

Page 11: ...ects The red dot is produced by a light emitting diode LED not a laser beam near the rear of the sight A replaceable 3 volt lithium battery provides the power for the diode To use the EZ Finder II turn the power knob clockwise until you hear a click indicating that power has been turned on With your eye positioned a comfortable distance from the back of the sight look through the back of the refle...

Page 12: ...he battery lead with the positive side facing down and replace the battery cover 6 Using Your Telescope Choosing an Observing Site When selecting a location for observing get as far away as possible from direct artificial light such as street lights porch lights and automobile headlights The glare from these lights will greatly impair your dark adapted night vision Set up on a grass or dirt surfac...

Page 13: ...many magnifications or powers with the Observer 70 Your telescope comes with two Explorer II eyepieces Figure 9 a 25mm which gives a magnification of 28x and a 10mm which gives a magnification of 70x Other eyepieces can be used to achieve higher or lower powers It is quite common for an observer to own five or more eyepieces to access a wide range of magnifications 13 Light Pollution Most of us li...

Page 14: ... a lit room during the daytime and seeing that same object in your telescope at night One can merely be a pretty image someone gave to you The other is an experience you will never forget Objects to Observe Now that you are all set up and ready to go one critical deci sion must be made what to look at A The Moon With its rocky surface the Moon is one of the easiest and most interesting targets to ...

Page 15: ... light pollution Take plenty of time to let your eyes adjust to the darkness Do not expect these subjects to appear like the photographs you see in books and magazines most will look like dim gray smudges Our eyes are not sensitive enough to see color in deep sky objects except in a few of the brightest ones But as you become more experienced and your observing skills get sharper you will be able ...

Page 16: ...ed or modified nor does it apply to normal wear and tear This warranty gives you specific legal rights and you may also have other rights which vary from state to state For further war ranty service information contact Customer Service Department Orion Telescopes Binoculars P O Box 1815 Santa Cruz CA 95061 800 676 1343 Orion Telescopes Binoculars Post Office Box 1815 Santa Cruz CA 95061 Customer S...

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