Guide :Optics : Voyager 78-9440 (440 x 12.5mm) Telescope

Upside down images

When I inserted the Erecting lens into the focusing tube, then the penta mirror into the Erecting lens, I place the 12.5 eye piece on the penta mirror and I'm not able to see anything, it looks dark, what can I do?, the same happens when I tried to use the Barlow lens. Thank you for any help.

Research, Knowledge and Information :


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Suggested Questions And Answer :


Problems with the ercecting lens


Did you put the eyepiece into the diagonal? ------- after you put the diagonal into the telescope. Erecting lens is a DIAGONAL by the way. "erecting diagonal"
Read More At : Voyager 78-9440 (440 x 12.5mm) Telescope...

Upside down images on my telescope. Bought used -no manuel. What to do?


In a refractor images are upside down as with most telescopes. You need an image erector to create a normal correct R and L and Up and Down image. It is a lens which goes in front of the eyepiece to give a correct image.
Read More At : 114mm Reflector (114 x 114mm) Telescope...

Upside down image - Bushnell Voyager 78-9970 Telescope


All astronomical telescopes have upside down images. NO up or down in space. You can purchase an "erecting" diagonal, but it will cost almost as much as your telescope.Google "erecting prism telescope".
Read More At : Voyager 78-9970 Telescope...

Cant get an image.Is it right that the view finderimage is upside down


The image of all astronomical telescopes are upside down (SCTs are upside down and reversed). RACI (right angled, correct image) finders do produce a right-side up image. For daytime use a erect image prism eyepiece.Follow below instructions (except 7 in your case) Get Stellarium or another fine astronomy programDuring the day, point the telescope at a part of the landscape about 100 yards away.Use the lowest power eyepiece (highest number) in the focal tube. Center the landscape object in the telescope. Align the finder scope so that it points exactly where the main telescope is.At night, leave the scope out to reach thermal equilibrium (about an hour for small reflectors and refractors)If the scope is on a EQ mount, polar align.Point the finder at the moon. The moon should be in the main scope also.Practice finding the moon before you start on the planetsOnce you are comfortable with the moon and planets, you can go for the deep sky objects
Read More At : Viv-tel-76700 75x/350x Reflector Telescope...

Sotfware "Autostar" support (With Telescop LX200ACF)


The objects are updated using the Autostar Suite software ver.5.5 on the Meade web site (free).Here- http://www.meade.com/support/downloads.html
Read More At : LX200GPS Telescope...

Hello, I m using the 60700 Telescope but the image i see in lens is very blurred, i assembled my telescope as per Manuel instruction but still i see upside down image with blurred effects. I tried several time assembling but every time moon image appears blurred. Could you please guide me what i am making mistake.


All astronomical telescopes show upside down and or inverted images-- it's normal nothing is wrong. You are applying too much magnification. Do not use the 2x barlow-- and start practicing how to focus using only the eyepiece with the largest number written on it which is your LOWEST power.You can practice focusing during the daytime on a distant object like a telephone pole or a building.www.telescopeman.orgwww.telescopeman.infowww.telescopeman.us
Read More At : 60700 (60x700) Telescope...

I bought a basic Meade DS 2114 GOTO astronomical telescope for my father who is only just getting into telescopes and astronomy. As both of us are just beginners and mainly use the telescope leisurely, we haven't gotten very serious about it and don't know too much. So the problem is that the telescope is clearly missing a lens that will invert the image and I need to know what I will need in order to view images the right way instead of upside down as we currently are


NO it is NOT missing a lens-- all astronomical telescopes show upside down images. You can buy an "erecting prism" diagonal for terrestrial viewing, but you do not need it to view the night sky.Here is an example of the erecting prism:http://www.astronomics.com/main/product.asp/catalog_name/Astronomics/category_name/EDNECFUVSRWS8KLNTU5E38XSE1/product_id/6329
Read More At : DS-2114 ATS (325 x 114mm) Telescope...

How do I get the image to turn the right side up? When we first set it up the image was right side up for a few minutes and now it is upside down and we can't figure out how to get it to flip. The image is clear...just upside down


Dopn't worry about upside down. All astronomical telescopes show images upside down. There is no up or down in space.You may have what is called an "erecting" prism diagonal that turns the image right side up. Just Google "erecting prism diagonal".This may also help you.http://www.cloudynights.com/item.php?item_id=810
Read More At : (10166) Telescope...

Upside down images


ALL telescopes will show the image upside-down. You learn to adjust for this. IF you must, they do make a lens called an "erecting lens" that would flip the image back right-side up.
Read More At : 114mm Reflector (114 x 114mm) Telescope...

I have a new Brookstone compact telescope. The image in the smaller viewfinder is upside down making it difficult to line up with image in main telescope. Is this normal? And if so, any suggestions for aligning the 2 images? Thanks.


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.Telescope manuals recommend that you align the finder scope in daylight, by pointing the main 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.
Read More At : Optics...

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