Question about Bushnell Voyager Series 675 x 4.5 Dobsonian Reflector Telescope

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Why is my picture upside down during the daytime ? on box says reflector. am i wrong when i had read that these have view as you would with binoculars

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  • paulkg Nov 15, 2009

    any quick short answers on how to point and see stars as a very newby Paul

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All astronomical telescopes have upside down images. There is no up or down in space; and it requires more glass elements to turn the image upright. More glass means less light will reach your eye.


Posted on Nov 15, 2009

Testimonial: "many thanks"

  • Joe Lalumia aka TelescopeMan

    Download the free monthly star chart at
    www.skymaps.com

    If there is a local Astronomy club attend one of their free star parties and look through the member's telescopes and ask questions.


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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)

  1. Get Stellarium or another fine astronomy program
  2. During the day, point the telescope at a part of the landscape about 100 yards away.
  3. Use the lowest power eyepiece (highest number) in the focal tube.
  4. Center the landscape object in the telescope.
  5. Align the finder scope so that it points exactly where the main telescope is.
  6. At night, leave the scope out to reach thermal equilibrium (about an hour for small reflectors and refractors)
  7. If the scope is on a EQ mount, polar align.
  8. Point the finder at the moon. The moon should be in the main scope also.
  9. Practice finding the moon before you start on the planets
  10. Once you are comfortable with the moon and planets, you can go for the deep sky objects

Feb 28, 2013 | Vivitar Viv-tel-76700 75x/350x Reflector...

1 Answer

My AZ1 reflector view is upside down. Is this right?


All astronomical telescopes show upside down images. For terrestrial viewing you can buy an erecting diagonal--
http://www.highpointscientific.com/product/ORI-08787/Orion-125-90-Degree-Erect-Image-Star-Diagonal-08787.html

Read my TIPS and frequently asked questions on my profile page.

May 07, 2011 | Rokinon 70060 (525 x 60mm) Telescope

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We are trying to test out viewing land based objects using the 30X eyepiece, which according to the instructions, should appear right side up and not upside down! This is not happening.


It's NOT really a problem. ALL reflector style telescopes show upside down images. This will not affect your star gazing since there is no UP OR DOWN in outer space. Read my tips on my profile page.

You can buy an "erecting diagonal" for terrestrial viewing- BUT this is not what an astronomical telescope is actually used for.

So align the small finder scope on a distant object like the top of a telescope pole during the day time. Point the main tube at the pole and get the tip top in the main tube's eyepiece. Without moving the telescope adjust the crosshairs on the finder scope on the exact same spot. The moon should be your first target at night and you can check and refine the finder scope on the moon.

Mar 12, 2011 | Bushnell 3" Reflector Telescope 60% OFF w/...

1 Answer

We can not see anything out of the telescope only on the guide can we see anything


This is a reflector style telescope with a MIRROR in the bottom. The focuser end is pointed UP like in the picture above.

Put the eyepiece with the largest number written on it into the focuser. Take the scope outside during the daytime and practice focusing on a distant object.

Read my tips on my profile page. AND-- reda this:

http://www.texasastro.org/telescope.php

Aug 16, 2010 | Bushnell 675x5 EQ Reflector Telescope

1 Answer

My telescope images are upside down, how do i correct this?


ALL astronomical telescopes show upside down images, it's normal. Nothing is wrong with your telescope.

For terrestrial viewing you can buy an "erecting prism" which will turn the image right side up.

Like this one:

http://www.skiesunlimited.net/index.php?CategoryID=98


Read my Frequently Asked Questions TIP on my profile page.

Aug 03, 2010 | Fieldvision 114mm Reflector (114 x 114mm)...

1 Answer

Never owned a telescope and was looking for one in this price range daytime terrestrial viewing would be a plus considering meade 90az adr or cellestron powerseeker 80 eq. any suggestions ?


Try to get at least a 90mm refractor. However we usually recommend REFLECTORS like this one for beginners.
More aperture at lower cost than a refractor.
http://www.telescope.com/control/product/~category_id=classicdobs/~pcategory=dobsonians/~product_id=08942

All astronomical telescopes show upside down images in the eyepiece. You can buy an "erecting prism diagonal" to use for terrestrial viewing. Like this one:
http://www.amazon.com/Tele-Vue-45%C2%B0-Erecting-Prism/dp/B0001GJCM0/ref=sr_1_7/186-9894435-9792028?ie=UTF8&s=electronics&qid=1279288729&sr=8-7

Read my TIPS on my profile page and also these two web sites:

http://www.texasastro.org/telescope.php

http://www.texasastro.org/mounts.php

Jul 15, 2010 | Meade 90AZ-ADR Telescope

1 Answer

We have a #37356 telescope and the lense is not in adjustment .Can I send it in to have it looked at. Where do I send it and what would be the cost. I did not buy insurance on the scope thinking it would...


This is a small toy telescope (sold by Toys R US) of 50mm. The same size as a pair of 10x50mm binoculars which would have been better for a beginner to use for Astronomy.

It is not worth repairing as the repair will cost more than the entire telescope. What makes you think there is something wrong with it? This is a very simple refractor telescope. Put the eyepiece with the largest number written on it into the telescope. DO NOT use the 2x barlow if you have one.

Go outside during the daytime and practice focusing on a distant object. The image will be upside down but this is normal and not a problem. Read my TIPS on my profile page and read this web site:
http://www.texasastro.org/telescope.php

Apr 23, 2010 | Edu-Science (10166) Telescope

1 Answer

Why is my view upsidedown?


All astronomical telescopes show upside down views-- it's how they work. Nothing is wrong with your telescope. Read my Frequently Asked Questions TIP on my profile page.

Apr 03, 2010 | Bushnell 3" Reflector Telescope w/Talking...

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

Bushnel North Star


No you do not have anything wrong. When ever light is passed through a lens it is inverted. Binoculars, and land viewing telescopes use a special lens combination or "erecting" prism to flip the image for you. The problem with that is it reduces the amount of light that passes through the telescope. It's not an issue for land viewing because these things tend to be close and bright. For astronomy objects are so faint that you actually get a better view when things are upside down.

Sep 24, 2007 | Optics

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