Question about Meade DS-2114 ATS (325 x 114mm) Telescope

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Only one spot on eyepiece in focus

Focusing on one star - ok. other stars around it is out of focus.

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This is a symptom of a cheap eyepiece-- see if you can find another eyepiece from a member of your local Astronomy club to test--- or buy one in about 20mm from this web site--

http://www.agenaastro.com/

Posted on May 19, 2009

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I have a Twin Star 76700 and when I focus on a pole during daylight- leave there but can't find anything in it when it gets dark, How do I focus it or find an object at night or is there a problem with...


The easiest way is to simply point it at the sky and focus on any star. (Note: NEVER point your telescope at the sun without appropriate special equipment in place, and the knowledge of how to use it!) Use a low-power eyepiece (one with the longest focal length marked on it, usually about 20mm), and adjust the focus until the star image is as sharp as possible. You may see nothing at first except a dark gray blur, but turn the focus knob in or out until you can see the star image. You will need to adjust focus slightly if you change to a different eyepiece, but it'll be close.

Dec 22, 2014 | Telescopes

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I cannot focus my se8


That is a good telescope. I am unsure about what adjustments you are trying out, so please excuse me if I get too basic here:

The focus adjustment will not give you an enlargement, it only brings objects to a sharp image. I trust that is OK for you.

To gain an enlargement of something, you must use a different eyepiece with a shorter focal length, say from 25mm to 12mm. The magnification you will get is the focal length of your scope, 2032mm, divided by the focal length of the eyepiece, say 2032/25, giving you magnification of x81 with that eyepiece.

There is a practical limit to this, which for your scope is about x400, (an eyepiece of 5mm) in excellent conditions at the top of a mountain. For terrible seeing from a suburban backyard, it will be say half that, x200, or an eyepiece of 10mm. You will get the best viewing with a magnification of say x150 at the most, or an eyepiece of 15mm. Less is more.

Then, you will not ever see the true disk of a star with that scope, they are too far away. You will however magnify the image of a planet, star cluster, nebula, or binary star pair. Sometimes though that will be at the cost of image clarity, it depends on where you are at the time.

Mar 17, 2012 | Celestron NexStar 8 SE (480 x 203mm)...

1 Answer

How do you see the stars with it i don't see anything but my own reflection


You are NOT in focus-- practice focusing during the day time on a distant object using ONLY the eyepiece with the largest number written on it--

PUT the eyepiece with the largest number into the hole in the focuser.


www.telescopeman.org
www.telescopeman.us
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Jul 29, 2011 | Bushnell 78-9669 Telescope

1 Answer

We had the 20mm eye piece in and we turned the focus all the way clockwise so the eye piece was all the way in. We had the cover off, we had a very clear starry night, we live in the country, moved the...


First find a local Astronomy club -- the members will help you.

Second, you must first align the red dot finder with the main tube-- there are knobs on the side and bottom (usually) to move the red dot. Point the scope at the top of a telephone pole in the distance during the day time-- wget the top in the center of the eyepiece of the main tube. Without moving the main tube adjust the red dot so it points at the exact same spot.

Turning it all the way in or out is NOT how you focus-- there is a small "spot" when the eyepiece is in focus, and every other eyepiece must be refocused. Turn the knob slowly until the star or the moon comes to sharp focus.

Read my tips on my profile page.

www.telescopeman.org
www.telescopeman.us
www.telescopeman.info

Jul 04, 2011 | Celestron AstroMaster 114EQ (100 x 114mm)...

1 Answer

I used the collimation eyepiece to collimate my telescope.But I dont know if it's properly aligned. The knobs on the bottom of the tube are turned fully clockwise, and the black dot in the eyepiece is...


Before you do anything else, take the scope outside on a good night, find a semi- bright star (Polaris will do). Let the scope cool down! (about 45 minutes) use your highest power eyepiece and put the star in focus.
Now take the star out of focus (inner focus or outer focus) you should see a dark circle in the center with symmetrical rings around it (airy rings). If the dark circle is in the center and the airy rings are symmetrical, your telescope is collimated
Check both inner and outer focus, they should be close to the same. If not you should re-collimate.
Best done with fainter stars but for now stick to the brighter ones.
Because I own 3 scopes, I use a Hotech laser collimator. its quick and easy. Worth it if you travel with your scopes to dark sites

A good guide on how to collimate
http://www.skyandtelescope.com/howto/diy/3306876.html

Oct 16, 2010 | Celestron NexStar 130SLT (31145) (306 x...

1 Answer

I bought a skyquest xt10i telescope and am trying


A star is always just a point of light no matter what magnification you use! If you are seeing a "disk" when you focus on a star you are NOT focused! Make it a tiny dot.

Why not try focusing on the moon or Mars and Saturn. You will always need to re=focus slightly when you move to another sky object.

Feb 22, 2010 | Orion SkyQuest XT10 (600 x 254mm)...

1 Answer

How I know the red dot is working ok, is


This is a 60mm telescope not much bigger than a 10x50mm pair of binoculars. Your maximum magnification will be about 100 power. Yes I know they said 200-300 power on the box. This was a lie.

Do not use the 2x barlow. Probably be just too much magnification. Put the eyepiece with the largest number written on it into the telescope; then try the same eyepiece with the 1.5x barlow. That is probably all the magnification the scope can handle.

Stars are always pinpoint light sources, no matter how large the telescope. They are hundreds or thousands of light years away.

The "red dot" should be pointed at exactly the same spot as what is in the eyepiece. Center a bright star in the eyepiece, then without moving the telescope... center the red dot on the star. Now you can use the red dot to POINT the telescope exactly to a sky object.

This web site may also help you:
http://www.cloudynights.com/item.php?item_id=810

Dec 28, 2009 | Konustart 700 (120 x 60mm) Telescope

1 Answer

Could not see and focus the star in the eyepice (40 mm E-lux), althoght finder scope and main scope are aligned. I turned the focus knob full snti-clock then full clockwise but see no star. My turning was...


Did you ever see any "light" how about something that looks like a donut with a hole in it?

The focus know could have come loose from the "rod" inside that moves the mirror. OR the finder scope really is NOT lined up exactly with the main tube.

Take the telescope out during the day and see if you can focus on a distant object like the top of a telephone pole. If you can focus just fine, then the finder scope is NOT lined up with the view in the eyepiece. Also try using a lower power eyepiece -- anything over about 22mm to get a wider field of view.

Nov 22, 2009 | Celestron CPC 800 (480 x 50mm) Telescope

1 Answer

Mutiple images


The problem could be a vitreal spartion in your eye. Whe looing at a bright star does the images appaer to remain in place when you twist your head around the eyepiece. Do others see the same thing???

If they do then it sounds like a cracked element. This can occur in the eyepiece if the scope has ever been turned to the sun.

Change the eyepiece and see if the problem goes away. If it doesn't then a chipped or cracked primary or secondary is suspect.
Good Luck

Aug 20, 2008 | Vivitar (1607225) Telescope

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