Question about Tasco Galaxsee 45-114375 375X (375 x 114.3mm) Telescope

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Cannot see through lense

Cannot view anything through the lense. just black and no image. it's like there is no light source to view. i am a complete beginner, so any help would be helpful.
thanks
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A telescope only shows about 1 degree or LESS of sky-- this about the size of the tip of your finger held at arms length! Point it at the moon and practice focusing the telescope.

Posted on Jan 04, 2009

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2 Answers

Orion equatorial reflector telescope lens has been flipped over how do you straighten them out


Are you talking about the image being inverted? If yes, then there are "image erectors" that will make the view with the correct left to right, and up and down orientation. However, typically they are only used on refractor telescopes.

Nov 15, 2015 | Orion Telescopes

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View finder displays are upsidedown


Telescopes generally will display images upside-down, due to the way the image is magnified. On many telescopes, the eyepiece is removable, and can be exchanged with many different attachments and lenses. One of which being an image rectifier (or image flipper), which flips the image back to normal. Unfortunately these lenses can be pretty expensive, and will reduce the amount of light being passed through the telescope due to the addition of more lenses, so are only primarily used for day terrestrial viewing. Hope this helps.

Mar 24, 2011 | Edu-Science (10166) Telescope

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Why is everything upside down


All astronomical telescopes show the view upside down. it is the properties of the mirrors/lenses. Ther is no up and down in space. You will get used to it.
For terrestrial viewing, you can buy a erect image diagonal (for refractors and SCTs) or a erect image eyepiece for refractors. This is not recommended for astronomy since it reduces contrast.

Oct 16, 2010 | Fieldvision Telescopes

1 Answer

I am having problems viewing


All astronomical telescopes show upside down images. There is no up or down in space. To ERECT the image would take additional GLASS lenses. MORE glass means less light pass-through for those dim sky objects.

Dec 25, 2009 | Bushnell 675x5 EQ Reflector Telescope

1 Answer

Why is the image upside down?


All astronomical telescopes show up side down images. There is no up or down in space. However you can buy what is called an "erecting prism" diagonal for terrestrial viewing.

Most of the objects in the sky are very dim. Adding another series of glass lenses just to erect the image would only reduce the light transmitted through the telescope.

Dec 21, 2009 | Telescopes

1 Answer

Display upside down on mead telescope


Not unusual; it depends on the number and kind of lenses being used. If you take a single lense (such as one for aging eyes), hold it between you and a window (or other light source), allow it to shine on a sheet of paper, a wall or even your hand, you will find that the image is inverted. Actually, the light entering your eye is an inverted image on the retina and our clever brains turn it 'right side up.'    

Feb 13, 2009 | Meade ETX-90EC (325 x 90mm) Telescope

1 Answer

Cannot see anything out of main telescope


Do NOT use the barlow lens-- put the lowest magnification eyepiece into the scope-- practice focusing on the moon -- turn the focus knob slowly in and out until you get a sharp image.

Telescopes only show an area of sky about 1 degree wide or LESS--- this is about the size of the TIP of your finger held at arms length................ your scope is best used at low magnification.

Dec 30, 2008 | Edu-Science (10166) Telescope

1 Answer

Images viewed are upside down


oh this is normal,because when looking at stars it really doesnt matter if they are inverted,but by leaving out the erecting lenses you get more light and less distortion. so you need an erecting lense to see images in the daytime,call bushnell@18004233537,im sure they can sell you the right adaptable piece....good luck...larry@reichinstruments.com

Nov 24, 2008 | Bushnell NorthStar 78-8831 (525 x 76mm)...

1 Answer

Telescope


Hi there,
the image in your telescope is suposed to be upside down (you'll find it's back to front too!). The reason for this is to get as much light to the eye as possible, the more lenses/mirrors the light has to go through/reflect off, the greater the light loss, and in astronomy you need all the light you can get.
For terestrial viewing, you can purchase, quite cheeply, an image erecting adaptor. This will make your image the right way up. For the best terestrial viewing, you can still purchase prismatic adaptors. Best bet would be ebay.
If I can be of any further help, don't hesitate

Cheers.....Dave

Mar 11, 2008 | Meade TeleStar DS-2114ATSA Telescope

7 Answers

Upside down images


As we all learned in grade school, telescopes produce an upside down image - it's okay for astronomical use since upside down doesn't matter. If you want an image like you'd see in a pair of binoculars, get an image erector from a telescope accessory store to add to your eyepiece.

Aug 01, 2006 | Fieldvision 114mm Reflector (114 x 114mm)...

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