Question about Magnacraft Optisan Telescope and Microscope Set

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Unable to focus to clear view with the erecting eyepiece in

This is on the optisan star 70076

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  • wesmick Jan 24, 2008

    this is on the optisan star 70076,

    unable to focus to clear view with the

    erecting eyepiece in. can this be fixed??

    it appears to me to need to be adjusted

    further in on the adjusting screw.

  • Anonymous Apr 17, 2008

    Unable to focus, and I don't have the manual, some help? Optisan Star 70076.
    Gracias

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Hi wesmick, please send me your email address and I will email the manual back to you. kind rgds, Lilie

Posted on Jul 11, 2008

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No image through lenses


1. During the daylight point the telescope towards an object (water tower, building ) something about 1/2 mile away.
2. Locate the object in your finder.
3. Use the 12.5mm lens (50x) and look through the telescope. Do not use the erect prism
4. Align the finder to what you see in the scope.
5. You can use the 4mm to fine adjust the finder.
6. On a good, clear night.Leave the scope out to reach thermal equilibrium ( about a hour) Point the finder towards the moon
7. Use the 12.5mm and then focus on the moon.

Note: This is NOT a quality scope. Avoid any scope with .965 eyepieces and silly magnifications! Max power on this scope on a PERFECT night is 200x and Huygens (H12.5) eyepieces give very narrow and poor viewing. Do not use the 3x barlow or the erecting prism. the erecting prism is for terrestrial viewing only and the barlow, although it increases the eyepiece by 3x, will also narrow the view.
Good Luck!

Dec 05, 2011 | Rokinon 62550 Telescope

1 Answer

Hello... I'm kinda new to all this, so please bare with me! I recently purchased a used Orion Skyview 6 Deluxe EQ. The scope is in great shape and things look great through it. However, it did not...


First WHY would you use a erecting DIAGONAL in a reflector style telescope. Upside down images are completely normal for an astronomical telescope. You only need this diagonal for terrestrial viewing NOT for star gazing. ALL astronomical telescopes show upside down and or inverted images- it's completely normal.

If you cannot come to focus with the erecting diagonal, it's probably because the diagonal moves the eyepiece too far OUT away from the point where the scope comes to focus. Again-- you do not use those for night time sky viewing. Just stick the eyepiece directly into the focuser.

May 29, 2011 | Orion SkyView Deluxe 6 EQ Newtonian...

1 Answer

Does the Celestron AstroMaster 114EQ use a diagonal?


NO, you do not need a diagonal. The eyepiece goes directly into the focuser.

images in astronomical telescopes are always INVERTED-- you can buy an "erecting prism diagonal" for terrestrial viewing, but it is not needed for star gazing.

Dec 23, 2010 | Celestron AstroMaster 114EQ (100 x 114mm)...

1 Answer

Cannot focus model AP-78-9570 Bushnell Telescope


Is this your telescope?
http://www.binocularsdirect.com/Bushnell_Telescopes/dptsmzmyqcq.html

Can you try replacing the eyepieces on the side with the one on the back. Also if you "slightly" slide the eyepiece OUT does it come to focus?

I must tell you this is a very unusual design with a turrent AND another eyepiece on the back. Has the rotary eyepiece module become loose from the back of the tube? Can you push it in closer to the tube?

Other than forward or backward adjustment that's all the focuser will do.

Mar 01, 2010 | Bushnell Banner Dusk & Dawn 3.5-10x36 AO...

1 Answer

How to focus telescope lens for city viewing?


No no manuals. The smaller the number written on the eyepiece the GREATER the magnification.

However many astronomical telescopes show everything upside down. This is normal -- no up or down in space. You can buy and erecting prism diagonal for terrestrial viewing which will turn the image right side up.

http://www.scopecity.com/detail.cfm?ProductID=1775


Jan 31, 2010 | C-Star Optics Optics

1 Answer

Bushnell Deep Space Series 525x 78-9500 We didn't assemble when we received as a gift a couple of years ago and now realize that the assembly instructions were left out of box. We assembled telescope but...


The erecting prism can be used for both terrestrial and star gazing-- put it innto the scope first.

The 3x barlow probably will NOT be very useful... it triples the power of any eyepiece. Your small scope cannot go much over 100 power-- before the image degrades.

Put the eyepiece with the BIGGEST number written on it into the erecting prism which you previously stuck into the scope... now go outside during the daytime and practice focusing on a distant object.

The bigger the number on the eyepiece the LOWER the magnification.

Apr 13, 2009 | Bushnell 525x Deep Space Reflector...

1 Answer

Optisan star 70076


hey Ted,

I am travelling around right now, can i send you around 9/30?

regards,
Lily

Sep 18, 2008 | Optics

1 Answer

Missing parts ? re Tasco 302048


Probably -- the 4mm gives too much magnification for you telescope-- difficult to focus or find thing in the sky-- you should also have had an eyepiece somewhere between 17mm and 24mm for lower power viewing.

Sep 11, 2008 | Tasco Optics

1 Answer

Optisan star 70076


Try the other eyepiece first-- no one can fix that scope which is imported. No repair facilities or replacement parts. Next time stay away from those types of scopes-- buy from one of these NORMAL scope retailers--

http://www.tasco.com/pages/instruction-manuals/


http://www.telescope.com/



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

Jan 24, 2008 | Magnacraft Optisan Telescope and...

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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