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Dual hinge Binoculars

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Introduction

What do bird watchers and baseball fans have in common? The necessity for a quality set of dual-hinge binoculars. Binoculars come in different shapes and sizes, one of them being dual hinge, meaning binoculars feature a folding double hinge design. The barrels on such optics are joined together by a bridge in a double hinge fashion. The outcome is a perfect small foldable accessory to bring to a concert, a sports game, or a hike.

This type of construction is most common on pocket binoculars, namely so they can be folded and put into pockets – it rarely appears on any other types, as it does not make sense on, for example, full-size binoculars. As mentioned, the two joints usually take on almost the entire length of the binoculars, and this design enables the best and smallest folding size.

Leica Ultravid 8x20

Pros

Dual hinge binoculars hit all the right notes: they use a double hinge design to fold down, making them ideal to stuff inside of a pocket. Their size when they are folded is the main reason for this design, making them appropriate for children as well, as they are also lightweight. Binoculars sporting this design also have an extremely flexible interpupillary distance, which is the distance between the centers of the pupils of the eyes.

Cons

When purchasing a pair of binoculars for trips, concerts, or star gazing, you need a pair that will take up the least possible space in your carry-on, but at the same time, not losing the needed optical features. However, if the binoculars are cheaper, they are prone to failure with time. They are also less comfortable to use in comparison to open bridge binoculars.

 Zeiss Terra ED Pocket 8x25

Conclusion

This design of binoculars fits into every pocket, as it is extremely small when folded. The dual-hinge proves to be excellent in the time of need – reaching into your pocket and taking out your pair of binoculars. This is very useful, especially if you come across a rare sighting you would not want to miss. Binoculars are useless if you leave them home due to them being too heavy, so dual-hinge comes in handy.

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VIDEO

Astronomy binoculars are often said to be the best first telescopes to slowly introduce you to sky gazing and astronomy. With wider field of view than telescopes they allow you to scan the whole sky at once and easily track the observing object. They are more portable, lighter, less bulky and do not require a tripod because lower magnifications bring less shaky images and easier handling. The main advantage of astronomy binoculars is that you are allowed to see with both of the eyes, giving you more natural viewing and easier tracking of the objects - two barrels collect more light. An important factor in astronomy binoculars is the size of the objective lens as they are mostly used in low light situations (at twilight or in pitch dark). The bigger the lens, more light is let through. Increase in light, high quality optics and coatings all contribute to brighter and more detailed image. Astro binoculars may be only water resistant which is enough of a feature to protect your binoculars before dew and moisture occurring at night. Waterproof and fog-proof features just add to the price. Astronomy binoculars may not be a replacement to a telescope, they are simply an addition.

Features of Astro binoculars

  • (+) bigger lens diameters
  • (+) wide field of view
  • (+) portable
  • (+) suitable for low light observations
  • (-) heavier in comparison to other binoculars

A few reasons why the astronomy binoculars are (sometimes) better than the telescope

Astronomy binoculars are suitable for anyone who does not want a large and clumsy telescope. For the telescope, you will spend a lot more time if you want to set it up for the observation. Astronomy binoculars are smaller and have smaller magnification, but for this reason, they are extremely compact and portable. They also have a much larger field of view than the telescope and because of the use of both eyes, observation is much more natural and comfortable. They capture a larger amount of light and, consequently, the image we see is much brighter. It is important that we choose a magnification below 12x if we want to hold the binoculars in our hands and observe; otherwise, they will need to be mounted on a tripod. With astronomy binoculars, you can see a larger number of stars and clearer planets, however, for the details and even more focused observation, choose a telescope.