Question about Tasco Starguide Computerized 80mm Refractor Telescope

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The eyepiece is fine. the black cover is over the front of telescope. i cannot get at it without taking the telescope apart.is black cover on front because it is a refractor telescope.or should i take it apart

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The lens cap is on the bigger end of the telescope take it off. The eyepieces go into the smaller end of the telescope.

Posted on Jul 06, 2010

  • Joe Lalumia aka TelescopeMan

    Some caps SCREW off, others simply PULL off. None require that you disassemble the scope to remove the protective lens cap.

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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

1 Answer

I can see the moon clearly through the viewfinder but when I look through the eye piece holder I cant see anything. only a dim white blur. I assume that the black felt on the front lense needs to stay...


I don't understand about looking through the eyepiece holder. Is there an eyepiece in the holder? Without it you won't see anything. With it, you will see fuzzy blobs if it isn't in focus. Try using the least powerful eyepiece that you have to start with. Finding focus with the more powerful ones takes practice.

I also don't understand what the black felt you refer to is. Telescopes normally have a protective cap over the front opening, which is removed for viewing, but I have never seen one made of felt.

Nov 21, 2010 | Meade DS114-EC Telescope

1 Answer

When looking thru any eyepiece, all I see is a blur-no matter the focusing adjustment. It's like looking into a fog. Yes, the front cover has been removed. This is driving me nuts. I have followed the...


This is a nice scope.
1. without an eyepiece, look into the eyepiece holder. You should see the secondary mirror and the reflection of the primary mirror in the secondary. If not, carefully align the secondary by either rotating the spider or GENTLY aligning the secondary screws (see collimating the scope in your instruction manual)
2. During the day, point the telescope to an object about 100 yards away, use the lowest power eyepiece (highest number) and see if you can focus on the object.

Oct 17, 2010 | Meade DS-2130ATS (250 x 127mm) Telescope

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

I've completed the set-up, but the eyepiece still is black. I looked in the trouble shooting guide and it says to check to see if the objective lens cover has been removed. Where is the objective lens...


What I believe you did was mount the scope UPSIDE DOWN. If it looks like the picture in your question the eyepiece and focuser end is pointed UP the mirror is on the bottom.

Turn it around and take the lens cap off.... this end is pointed toward the sky.

Jan 22, 2010 | Bushnell 78-9669 Telescope

1 Answer

Can't see out of eye piece


This is a reflector style telescope. The MIRROR is in the base! Light enters the front near the focuser and goes down the tube and bounces off the mirror and back to the front and through the eyepiece. The EYEPIECE end is pointed up.

Your scope TUBE should look like the reflector telescope on this web page:

http://www.amazon.com/Edu-Science-Astro-Nova-102-Telescope/dp/B001NLOQN2

Wish you had NOT bought this telescope. For about the same price you could have bought this:
http://www.telescope.com/control/product/~category_id=classicdobs/~pcategory=dobsonians/~product_id=08942

The scope above has a 6 inch mirror which is almost twice the size of the scope you bought.


Dec 27, 2009 | Edu-Science (10166) Telescope

1 Answer

My meade telestar eyepiece fell apart .how do the lenses go back in?


Almost impossible to say without knowing the exact eyepieces you have. If there are flat "sides" put the two flat sides together; then try exactly the reverse.

You can always buy another replacement eyepiece from many on line retailers.

Here is one:
http://www.agenaastro.com/

Nov 21, 2009 | Meade Telescope - Telestar DS-2130AT...

1 Answer

My 9t eye piece was rattling and mislined. I took it apart cleaned lenses and wondered is there a lense location or direction?


Never disassemble an eyepiece unless you know exactly how to put it back together. Only the outer glass lens ever needs cleaning.

Without knowing exactly what link of eyepiece you have (they are all different designs) it's impossible to tell you which way the internal lenses go.

Your best bet may be to simply purchase another eyepiece.

http://www.agenaastro.com/Telescope-Eyepiece-s/3.htm

Nov 07, 2009 | Tasco Astronomical 302675 Telescope

1 Answer

Mouldy lenses


On many telescopes the front lens screws out and is removable for cleaning--- this may have been covered with paint--

Dec 03, 2008 | Optics

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