Question about Vivitar 50x / 100x Refractor Telescope

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I got a Vivitar 76mm Reflector telescope for Christmas. We put it together and now all we see when we look through the eyepiece is pitch black. We can see through the sighting scope, but nothing through the eyepiece. The instructions were so vague, I don't know if it is something we did wrong or not.

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Ok basically with this type of telescope it is a simple path that the light takes to get from one end of the telescope to the other. There are only a very few reasons as to why you would not get any image from the eyepiece. Not knowing exactly what you have assembled yourself I will just suggest them and hope that one of them fixes your problem. In the eyepiece there should be a reflector mirror angled at 45 degrees. Hopefully this is the type where you can remove the eyepiece (usually you can to allow higher strength lenses to be used) and look into the reflector mirror part of the telescope. Check to see that the mirror inside the telescope is seated properly and is undamaged. Secondly, and I do not mean to insult you by stating the obvious, but have all caps been removed from the lens and eyepiece parts? From the image by your question it does look like a simple setup but there are several variations of the telescope in question. If anything I have suggested does not seem to tie to the telescope you have then by all means if you could provide me with more specific model details I may be able to help you out some more.

If you still cannot see anything through the scope after checking I would strongly suggest taking it back to where it came from and asking for another.

I hope this helps and thank you for using FixYa

Posted on Jan 01, 2011

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1 Answer

Put it together, have the lens in but yet it is black. The cover on the front is off and still black whenever looking through the lens on the side. HELP


This sounds like a reflector style scope with mirrors-

Put the eyepiece with the largest number written on it into the focuser--- do NOT use the 2 x barlow if you have one. Take the scope outside during the day time and practice focusing on a distant object. The end with the focuser on the side is the UP END of the telescope.

We see many beginners with these types of scopes mounted backwards pointing at the ground.

Jul 31, 2011 | Vivitar (1607225) Telescope

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Purchase a 263/525 Reflector Telescope put it together, took off the eyepiece lens caps, but still unable to see anything. Does the end filter of telescope need to be removed?


The picture in your post is NOT a reflector style telescope:

This is a reflector:
http://www.company7.com/orion/telescopes/orion06f8dobi.html

Notice that the eyepiece is in the FRONT side of the scope. Take the front lens cap off-- the primary mirror is on the BOTTOM of the tube.

Apr 13, 2011 | Vivitar (1607225) Telescope

1 Answer

DON'T know how to set up the eyepiece


The focuser is on the UP end of the telescope as the picture shows above. Put the eyepiece with the largest number written on it into the focuser. Take the scope outside during the day time and practice focusing on a distant object. DO NOT USE the 2x barlow if you have one.

The moon should be your first target at night.

Read my tips on my profile page.

Apr 13, 2011 | Tasco 49076700 Spacestation(r) 76mm...

1 Answer

Vivitar 76mm reflector teles.76700 barlow lens 3x eyepiece is to small for it.is there a reducer for the barlow ?kit came with two 3x barlow.same size


No the barlow increases the magnification by 3 TIMES for any eyepiece --
this will be too much for that small 76mm telescope.

Magnification is the least important quality of a telescope. Aperture and quality ioptics are much more important. I usually never use a barlow -- just the straight eyepieces in various mm sizes.

Read my tips on my profile page.

Feb 03, 2011 | Vivitar (1607225) Telescope

1 Answer

Just bought thJust bought the vivitar telescope for my daughters birthday. If we look through the tube where you put the eyepiec we can see the reflection of our eye, but when we put the eyepiece in it is...


Put the diagonal in the scope first and then put the eyepiece with the largest number written on it into the diagonal. TURN THE FOCUS KNOB to focus the telescope. Practice during the day time on a distant object.

Read my TIPS on my profile page.

Jan 23, 2011 | Vivitar (1607225) Telescope

1 Answer

HOW DO YOU FOCUS THE LENSES


Put the eyepiece into the focuser and TURN THE FOCUSER KNOB!

Sep 21, 2010 | Bushnell 612 x 3" Go To Reflector...

1 Answer

How to install the eyepiece


Is your scope like the picture? If it is it is a REFLECTOR style with a mirror on the bottom.

Put the eyepiece into the focuser-- this is the UP end of the telescope. The large mirror is on the DOWN end. I have seen many beginners mount these upside down with the open end pointing at the ground!

Read this:

http://www.texasastro.org/telescope.php

and my TIPS on my profile page.

Sep 08, 2010 | National Geographic 76AZ (525 x 76mm)...

1 Answer

Completed setup, can't see anything through eyepiece.


I answered your question already-- TURN THE SCOPE around you have it mounted backwards! The eyepiece end is pointed UP. Like the picture above in your question.

Jan 22, 2010 | Bushnell Deep Space 78-9003 (525 x 76mm)...

1 Answer

Can't see anything through eyepiece.


The FOCUSER end should be pointed UP the mirror end is toward the ground. Turn the scope around and put the eyepiece with the largest number written on it into the telescope. DO NOT use the 2x barlow if you have one.

Go outside during the day time and practice focusing on a distant object.

Jan 22, 2010 | Bushnell Deep Space 78-9003 (525 x 76mm)...

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