Archive for the 'Astronomy & Space' Category

Sep 30 2008

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Is it possible to put a monocular in front of a binoculars’ eyepiece to boost the binoculars’ magnification?

Filed under Astronomy & Space

binoculars
Simsim asked:


I have a 7×50 Orion Scenix Astronomy pair of binoculars. I’m not happy with the 7x magnification.
I thought that if I can get a tiny monocular, say 3X20, then I can put it in front of one of the binoculars’ eyepieces. Hopefully getting a 7*3=21x magnification.

Is this possible?
Any recommendation on the monocular(aperture, magnification, brand etc)

Thanks in advance.

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Aug 07 2008

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which is the better brand of binoculars?

Filed under Astronomy & Space

binoculars
Raj Gohil asked:


I want to buy astronomical 10×50 binoculars under $125 to observe sky,planets and stars. Which is the better binoculars; nikon,bushnell, or celestron for sky observation? If u have any other brand better than these, you can tell me that one also. Which one have more eye protection? Please help me!

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Aug 04 2008

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What is better for viewing landscapes? A telescope or binoculars?

Filed under Astronomy & Space

binoculars
Hal W asked:


I live in a skyscraper in a large city in paradise, with incredible vistas of mountains and the ocean. Which will be better for viewing my surroundings up close?

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Jul 27 2008

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How much zoom is a 10×50 on binoculars?

Filed under Astronomy & Space

binoculars
osufan asked:


How much zoom is a 10×50 on binoculars? How many x?

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May 27 2008

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What kind of binoculars do you recommend for star gazing?

Filed under Astronomy & Space

binoculars
Apple Pie asked:


I want to buy binoculars for star gazing and to see Mars at the end of August. What is the cheapest brand, yet good quality that I can get?

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Mar 22 2008

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what planets can I see with my 12×50 binoculars?

Filed under Astronomy & Space

binoculars
Adidas asked:


I have a pair of 12×50 binoculars, coated optics, 275ft at 1000 yds.
which planets might I be able to see through it? and what else can i see with it?

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Mar 05 2008

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How to fix double picture in binoculars?

Filed under Astronomy & Space

binoculars
BlackJackDavey asked:


I have 12×50 Wide-Angle Orion WorldView Binoculars. they focus fine but the picture is doubled. it looks fine if you close one eye or the other. is there a way to fix that?

thanks a bunch.
the hinge is there to accommodate people with different distance between eyes, it doesn’t make an impact on this problem. every one who looked through them described same issue. no matter how narrow or wide hinge was extended.

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Dec 24 2007

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What is the value of Carl Zeiss Jena Binoculars DF6x30 859832?

Filed under Astronomy & Space

binoculars
Treina J asked:


I am trying to hold on to these binoculars until they are worth some money, and so far I think they may be only worth $10.00
They come in a leather case from the U.S. Naval Gun Factory / Optical Annex Shop in Rochester , NY. They are extremely old binoculars.

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Oct 31 2007

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In a pair of binoculars, is there a way to get more light through the same sized exit pupil?

Filed under Astronomy & Space

binoculars
jondalar469 asked:


The exit pupil diameter is normally found by dividing the diameter of the objective lens by the power of the instrument. But there ought to be a way to get more light through the instrument without changing the exit pupil diameter. Maybe a preamplifier optical instrument that has a larger objective, which feeds the binocular objective from its own exit pupil?

Is there such an instrument? Would it be possible to make such an instrument?

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Sep 01 2007

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Why is the terminal line on the moon the best area to point a telescope or binoculars?

Filed under Astronomy & Space

binoculars
Sharkey asked:


The question reads, “The best place to aim a telescope or binoculars on the Moonis among the terminal line- the line between the Moon’s light and dark hemispheres. Why?”

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