Question about Meade 9260 Monocular Microscope

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No view I just got this scope and I can't see anything in it; not even light. I think something is broke but I don't know enough about it to be sure. I hope you can help me. Thanks. Carey

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Lenscap? if this is a manual mirror version (light is provided by reflection from a swivel mirror under the sample. this mirror needs to be in the correct position for you to see. also check your optic selection, (switch to a different lens) see if this helps, (you may also not be selected properly)

Posted on Sep 15, 2007


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I have a Celestron powerseeker 127 Eq telescope viewing issues

With the setup you have, you are attempting a magnification of x 750, which is way beyond the capabilities of your scope. A realistic limit to usable magnification is x 250, or about what you will get if you take the barlow off and just use the 4mm lens.The 127mm aperture on that scope does not gather enough light to do more.

Even that depends on good seeing, that is, clear air and no light pollution. It is a great shame that scopes are marketed with outlandish claims as to magnification. You certainly will see a magnification of x 750 in daylight, when there is lots of light, but they don't tell you that trick.

I have a 200 mm scope, with a practical limiting magnification of x 400, and I find that almost impossible to use. The viewing object is hard to find and keep centred in the eyepiece, it wobbles around, it soon disappears due to the rotation of the heavens, and is dim and blurry. I keep to magnifications of about x 250 max.

Oct 27, 2016 | Celestron Optics

1 Answer

Old automatic slide projector

Make sure that the wires are in and to make sure the button is on, if it is then wait a while. That doesn\'t work, then its just broke!

May 27, 2013 | Office Equipment & Supplies

1 Answer

Just had a konusmotor 500 telescope and have built it to the instructions, but nothing on how to use. only a beginner but how do you increase the size of the object you are looking at,eg the moon looks the...

Are you viewing the moon through the small finder scope on top of the main tube? That is only used for aiming the scope, and has very little magnification. The moon should fill the field of view on even the lowest magnification on the main scope.

A reflector type scope has the eyepiece mount on the side of the main tube, near the top end, pointing into the side of the scope. This mount should have an eyepiece placed in it- use the one with the biggest number to start with (that will have the least magnification). Do NOT use the Barlow lens if one came with the scope. You look into the side of the tube with this type of scope, not along it.

New telescope users are taken by surprise at the difficulty of just pointing the telescope in the right direction to see anything. The field of view is quite limited, especially if you are using a high power eyepiece. The higher the power of eyepiece on a telescope, the dimmer the image, the more difficult to aim it at any chosen object, and the more difficult to focus. When the scope is not focussed, even if there are stars in the field of view, they will only be faint blurs.

The finder scope is meant to help you get the main scope lined up on the object you want to view, but it won't be any use in pointing the telescope until you adjust it to precisely line up with the main scope. Telescope manuals recommend that you do this in daylight, by pointing the scope at an object on the horizon and adjusting the finder to match (never point a telescope toward the Sun!). Once you have a tree or mountain peak in the center of the main scope's image, you can then adjust the screws around the finder scope to get the crosshairs (or red dot) centered on the same object. It is very difficult to do this job in the dark, especially as objects in the sky are constantly on the move.

You will find that there is a very wide range of movement in the focus mechanism, because different eyepieces focus at different points, but the actual focus range for any eyepiece will be a small part of the overall range afforded by the focusing mount. It is much easier to familiarise yourself with this in daylight.

At this point you will learn that astronomical telescopes usually show an upside down image. There is a good reason for this- erecting the image needs more bits of glass in the light path, which reduces the amount of light and increases aberrations. Even if this is only slight, astronomers prefer to avoid it, and they don't really care which way up the Moon or Jupiter appear. It is possible to fit an erecting prism or eyepiece to most astronomical telescopes, and some of them come with one, but one wouldn't bother to do this with the small finder scope.

Once you have done the above, you can try the scope at night, on an easy to find bright object like the Moon. Looking at random stars will probably be disappointing, as they don't look different under magnification. You will have to find planets, star clusters or nebula to see anything interesting. You will also find the the object you are looking at swims out of the viewing field, and you must continually move the scope to follow it. This will be more pronounced at higher magnifications. This scope has a motor to track the scope and keep objects in view, but you will have to get the scope set up for that for it to work correctly. Again, use the least powerful eyepiece to start. Small scopes are often advertised as having unrealistic powers (300, 500) which can never be practically achieved. You just get dim blurs.

There is an excellent website for beginner telescope users at THIS LINK

Jan 22, 2011 | Konusmotor 500 (230 x 114mm) Telescope

1 Answer

We got a Celestron AstroMaster 114 EQ for Christmas and we are new to the Astronomy world (always wanted to get into it, but haven't until now). We are having a hard time understanding how to collimate...

I don't know why you are trying to collimate the scope. This is a complicated procedure and is probably not the first thing a newcomer should be doing. If it is a new scope, the collimation ought to be OK anyway. Are you having trouble with coma? If you don't know, or don't know what that is, then collimation is probably not the problem.

If the problem is that you are not able to see what you expect in the telescope, then that is likely to be something other than the collimation being out. New telescope users are taken by surprise at the difficulty of just pointing the telescope in the right direction to see anything. The field of view is quite limited, especially if you are using a high power eyepiece. The higher the power of eyepiece on a telescope, the dimmer the image, the more difficult to aim it at any chosen object, and the more difficult to focus. When the scope is not focussed, even if there are stars in the field of view, they will only be faint blurs.

I suggest that you try the telescope first in daylight (NOT pointed at or near the Sun), using the least powerful eyepiece (the one with the largest number). Try it on objects on the horizon, remembering that they will appear upside down. This is a good time to get the accessory finder scope lined up with the main scope, too. When you have become familiar with the low power eyepiece, try a higher power, which will focus at a different point (and be harder to find objects with). Then try it out at night, on a bright, easily found object like the moon.

Poor collimation will affect the quality of the image, but any other problem will be due to something else. I suggest that you visit THIS WEBSITE for a beginners guide.

Jan 17, 2011 | Celestron NexStar 130SLT (31145) (306 x...

1 Answer

We were given an EDU Science telescope and tripod (no case). We don't know if it is working or if it has all the parts. The telescope looks like the link below, but the smaller tube attachment (see the...

The bit you are missing is the finder scope, which is a small low-power scope that is used to line up the main scope on an object that you want to view. Without this it can be quite hard to get the scope pointed at anything, as the field of view is quite limited, and more so at higher powers.

It can be quite expensive to buy useful eyepieces for a scope, but they are readily available if the eyepiece mount tube is 1.25 inch inside diameter. The eyepieces that originally came with this scope probably were not very good, and in fact this scope is not up to much. It is rather small for a reflector at three inches diameter. You certainly won't be able to use it at the advertised 600 power, or even at 200. It has neither the resolution nor the light gathering ability with that small an aperture.

I would recommend that you explore the web page at THIS LINK for a lot of good advice about first telescopes, before you spend any money.

Jan 05, 2011 | Edu-Science Optics

1 Answer

Trying to use the telescope but cant see anything

Hi, this is a real handy scope. You need to remove the disk like cover for the high polished mirror located at the but end of the scope. Then insert one of the two ocular lenses provided into the viewing aperture. Next, aim the polished mirror end at something obvious like a street light. Use the range finder located opposite the viewing aperture, (switch red button on) and align the circles with the red dot. Happy viewing!

Nov 16, 2010 | Celestron AstroMaster 114 AZ (50 x 114mm)...

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

2 Answers

CELESTRON 127EQ faulty magnification

It won't increase viewing power by hundreds of time but it should be able to show you a close up view of the moon and planets where they look closer (or with the moon, parts of it look closer). When you say it looks further away, something is quite wrong as you know. It sounds like the eye piece is backwards in the mount? Can't imagine what else would make it smaller. Also can't imagine you could even get it in backwards. I have a scope by Meade that is essentially the same Newtonian design. Best of luck.

Dec 31, 2008 | Celestron PowerSeeker 114 EQ Telescope

1 Answer

What lens do i insert into scope to view the moon

The moon is big so use the 25mm. The Barlow will have a multiplication marking on it 2x 3x etc. A 2x Barlow lens will effectively double the power of the eyepiece you are using. Do not use the erecting eyepiece for anything other than land viewing. Erecting eyepieces generally reduce the amount of light reaching your eye and thus reduce brightness of the faint objects in the sky.
So basically just place the 25 mm lens in the focuser and point the scope at the moon and you will be amazed at what you can see and how bright it is.

Dec 30, 2007 | Tasco 350x50mm Refractor Novice Telescopes

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