Vivitar Telescope VIV TEL 76700 User Manual

76mm Reflector Telescope with Tripod  
INSTRUCTION MANUAL  
VIV-TEL-76700  
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WHAT TO DO WHEN SERVICE IS NEEDED  
STEP 1. Package the product and relevant accessories carefully, using ample padding materials and a sturdy  
mailing container to prevent damage in transit.  
STEP 2. Include in package:  
a) Evidence of date and place of original purchase (for example, a copy of your sales receipt).  
b) Detailed description of your problem.  
c) When possible, a sample evidencing the problem.  
STEP 3. Return item (insured) to: (in the U.S.):  
Vivitar  
(in the U.K.)  
Sakar UK  
Attn: Technical Support  
195 Carter Drive  
Edison NJ 08817  
2D Siskin Parkway East  
CV3 4PE, UK  
When service is complete, the product will be returned to you shipping prepaid. In the event the product is  
deemed to be not faulty or the defect is a result in wear and tear, Vivitar may levy a handling charge for the  
TECHNICAL SUPPORT  
support team members will answer your questions. For phone support in the US please call 1-800-592-9541, in the  
free number.  
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A Quick Look at Your Device  
1. Main mount  
2. Pitching slim auxlliary knob  
3. Pitching shaft screw  
4. Rack and pinion focusing knob  
5. Eyepiece joint tube  
6. Thumb nut for sighting scope  
7. Sighting scope bracket  
8. Sighting scope  
9. Eyepiece  
10. Pitching clamp handle screw  
11. Left and right blocks  
12.Pitching shaft  
13.Main tube  
14.HorizonaI locking auxiliary screw  
15.Mount base  
16.Tripod legs  
17.Accessory dish  
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Introduction  
Thank you for purchasing your 76mm Reflector Telescope. Your telescope is a precision  
optical instrument which you can use to learn more about space, the study of astronomy,  
and the world around you. Please read this manual before using your flash in order to get  
the best results possible.  
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Assembling Your Telescope  
1.Remove the tripod legs from the box and  
extend each of them to a suitable length from  
top to bottom, and then tighten the locking  
knob (see fig. 1).  
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Assembling Your Telescope (continued)  
2. Connect each leg and the mount base using long  
screws and wing nuts (see fig. 2a), but not tighten.  
3. Stretch out the tripod legs so that you can put the  
accessory dish on it, connecting them with short screws  
and wing nuts (see fig. 3) . Tighten the wing nuts of the  
tripod legs.  
4. Connect the pitching shaft to the main tube using the  
pitching shaft screw (see fig. 2b) .  
5. Loosen the left and right blocks on the main tube, and  
then connect the main tube to the main mount. Tighten  
the right and left blocks (see fig. 2c) and tighten the  
pitching clamp handle screw (see fig. 2d ).  
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Assembling Your Telescope (continued)  
6. Take off the thumb nuts for the sighting scope , and  
loosely insert the two bolts on the sighting scope  
bracket so they are aiming the main tube into them.  
Whirl the thumb nuts back and tighten them (see fig.  
4a).  
7. Install the eyepiece (or erecting eyepiece ) in the  
eyepiece joint tube, tighten the locking screws (see fig.  
4b ).  
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Using Your Telescope’s Accessories  
1. Eyepieces : Insert any of the eyepieces into the eyepiece joint tube and tighten the  
locking screws. This will provide you with the optical power that you need.  
2.The Sighting Scope : The sighting scope has a low magnification and wide visual field,  
which can help you find far away objects quickly.  
3. Erecting Eyepiece: Put the erecting eyepiece in the eyepiece joint tube, and tighten the  
locking screw. The image you are viewing will be straighten out , but the image can be a bit  
dim.  
4. Moon Filter : Because there is a great deal of reflected glare when the full moon is  
observed , the addition of the moon filter will remove this glare and make it possible to  
sharpen surface details . At other times , this filter is unnecessary and a sharper image can  
be obtained without it . The moon filter is screwed into the eyepiece in the same way that  
the sun filter is added .  
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Tips on Using Your Telescope  
The telescope is a precision optical instrument . The more you know about it, and the more  
carefully you maintain it, the many service it will provide for you.  
What you see through the telescope and whether you see clearly is dependant on three  
factors: magnification , brightness and resolving power. There is a common misconception  
that it would be better if the magnification is bigger at all times .While one of the most  
important functions of the telescope is to magnify, you must keep in mind that the effective  
magnification is after all limited . For example if the magnificafion gets too big it will make  
the image dim and the field of view narrow . So it is necessary to consider about the three  
factors altogether.  
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Factors That Effect Observing Results  
1. Hot air is always moving through the atmosphere .This motion can cause bad images in  
high power conditions, which is why it is often preferred to observe at several night .  
2. Hot air on the surface of the earth will also cause waves of the air to make the image  
twisted and crushed . This can make the observing conditions very bad.  
3. Light pollution : try hard not to use your telescope around street lights , or under your  
home’s lights.  
4 .Moonlight is another factor that affects tone’s observation , as the full moon or the bright  
moonlight will make the stars and the planets nearby dim .  
5. Be careful not to observe from open windows (or even through closed windows)  
especially during winter when the temperature outdoors varies greatly compared to the  
temperature indoors.  
6. Clouds in the sky can hinder your observations , but fortunately these clouds will move  
often .  
7. Heavy fog can make observation impossible.  
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Maintaining Your Telescope  
The mirrors and lenses arethe most important and the most easily damaged parts of your telescope. To  
avoid affecting the precision and the performance of your optics, the mirrors or lens can't be casually  
taken out of their mount and the lens or mirrors must be cleaned as carefully as possible.  
Cleaning : When it becomes necessary to clean the lens or mirrors , you should first clean off any dust  
with a suitable brush, and then drop a few drops of non-harsh cleaning fluid on a clean soft  
cloth, and brush any remaining prints or dust.  
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