Showing posts with label Field of view. Show all posts
Showing posts with label Field of view. Show all posts

What Are Big Binoculars And How Can They Be Made Easier To Use?

Sphere: Related Content
The intended use of binoculars may vary. Capabilities depend on the size of the binoculars and the power they have. Specifications and strength of binoculars define its power and its use. The power of binoculars is determined by two parameters: magnification and the width of the aperture lenses or the effect of light. If binoculars are described as [7 x 50], the first letter represents magnification, while the second letter represents the diameter of the objective lenses. In this case the object viewed will appear 7 times closer than if it was viewed without binoculars. The second number 50 represents the propensity of the binoculars to gather light. The higher the second number, the brighter the viewed object will be. One of the uses of binoculars with high second numbers is stargazing, but there is a problem that must be resolved with initial use of these binoculars. The weight of binoculars of size [7 x 50] and above makes it impossible to use by simply holding it up to your eyes and freely viewing objects. Installation of a binocular mount will hold these binoculars in place, providing support.

Binoculars are defined as big binoculars when their specification indicates the second number is 50 or more. Binoculars [7 x 50] are considered big binoculars. These binoculars are physically heavy and their use can be affected because they are cumbersome. Some uses of big binoculars include surveillance, bird watching, hunting, and star gazing. Binocular mounts are used to change the way big binoculars are placed for use. With this renewed change, big binoculars assume their purpose and they are available for use.

A binocular mount is designed to provide support appropriate for large binoculars and small telescopes. The mount requires modification as it is being installed. The mount must be shaped to provide singular support to hold the equipment. It is imperative to find a suitable location for mounting the binoculars. After completing all the necessary preparations, assembly of the mount is completed. This support facilitates big binoculars, so they can function with ease.

Binoculars that are very large may not have outstanding features. Maybe they are just big and bulky without much purpose. When purchasing binoculars, it is important to investigate the product so you will know what you are getting.

New optical technology has been introduced bringing everything 80x closer. These zoom compact binoculars are the smallest on the market and they include all the necessary features with high performance magnification and clarity. They produce sharp, high-contrast images. These binoculars allow you to view objects at 20x magnification and then to zoom to 80x with maximum focusing capability, while retaining sight of the object you are viewing.

New ideas on selecting binoculars caution that power ought not to be the chief goal when choosing binoculars. Consideration of light gathering, field of view, and ease of use are also important. Binoculars with too much magnification can weigh too much, and this equipment may be too uncomfortable to use for very long at a time. These binoculars require a mount and use will have some limitation. Bigger is not always better. Consideration of the intended use of binoculars will be helpful when ordering equipment.


About the Author:

Gregg Hall is an author living in Navarre Beach, Florida. Find more about this as well as binocular mounts at http://www.bestbinocularsonline.com

Reblog this post [with Zemanta]

World Of Binocular

Sphere: Related Content
A bird watcher needs to be able to see feathers in dim light, and have strong magnification. They should also be able to focus on close objects, have color viewing, and a large field of view in order to see the bird well. They should also be light and have a strap to carry them on, and be comfortable for the user. It's a great idea to get birding binoculars that are waterproof and can also stand on a tripod, since you never know where the birds will go. Binoculars for bird watching are classified by two numbers: the first giving us the magnification and the second, the diameter of the lens. It is a good idea to keep the magnification of bird binoculars fairly low, usually around 8 times, in order to lessen the impact of natural hand shake, and to keep the field of vision sizable. A larger diameter gives a clearer image because it traps more light, and it also widens your field of view. The most popular are 40mm and 42mm, because any larger can make bird binoculars heavy and hard to use. To fully enjoy bird watching and to sharpen your bird identification skills a good pair of binoculars is a must especially if you want to take your hobby further. Price You should buy the best binoculars you can afford. A pair of quality binoculars is essential, especially for pro bird watchers. Binoculars can range in price from under 25.00 to well over 1000.00. When you are starting out it may be tempting to buy a very cheap pair of binoculars. However, this is false economy as they will probably lack features which are needed for bird watching and you will not enjoy your hobby so much. An upfront investment will set you on the road to many years of bird watching enjoyment and your binoculars should last just as long. Many novice bird watchers make the mistake of buying binoculars with a high magnification thinking that the greater power will enable them to see birds more clearly. However, although the birds will appear closer and larger, as magnification increases your field of view decreases and slight movements made by an unsteady hand or a gust of wind are greatly exaggerated. High powered binoculars can also make the eyes tire easily so for general bird watching choose a magnification of 7x or 8x. If you are using a hide or viewing hawks and waterbirds over large expanses then choose a magnification of 10x. Do not choose zoom binoculars for bird watching - they do not give as good an image and are more likely to develop faults.

About the Author:
Zakaria is an author, write various articles on different themes to expand information. You can get information about mobile phones and other contract mobile phones.

Reblog this post [with Zemanta]

How to Pick a Good Pair of Binoculars

Sphere: Related Content
Binoculars aka field glasses are like two telescopes pointed at the same area. It is easy to perceive depth because it has two lenses and not just one, like a monocular.

The binoculars have been around since about the 17th century after telescopes have been invented. People use to mount two telescopes side by side and looked through them with both eyes.

Between the 1850-1890s, a prism type of binocular was invented that allowed greater depth perception by allowing the eye pieces to be spaced wider apart. These binoculars allow greater magnification.

The most affordable binoculars are porro prisms that allow for brighter images and are precise instruments. These binoculars are wider and sometimes need to be re-aligned.

An expensive kind of prism binocular is the roof prism binocular. This binocular is smaller and narrower but loses some brightness. The good think about them is that they usually never have to be re-alligned. They are also much lighter. Optical coating fixes this problem. That is why many roof prism binoculars are coated.

Optical Coating is a great feature that helps make a brighter image by reducing the amount of light that is reflected. Reflected light inside the binoculars makes the image hazy.

General Binoculars are focused by moving a round wheel that focuses both telescopes at once. More sophisticated binoculars use independent focus which means that each side of the binocular needs to be adjusted individually.

Some binoculars have image stabilization technology which dampen sudden movement. It can usually be turned on or off by the user. This means that very high powered binoculars can be hand held when normally they couldn't. The image quality is not always as good for stabilized binoculars, and they are usually more expensive.

Coin-operated binoculars are very popular in many tourist attractions. They allow a more detailed view. These are always mounted on a pedestal and are usually high powered.

Military Binoculars are usually hand held and at a magnification of 5x or 7x. Military binoculars are more rugged and sturdy than regular binoculars and they also use independent focusing because it is more sturdy than central focusing. Most military binoculars also have special features that help it work when wet or to block out laser beams. Sea binoculars are meant to be easier on the eyes because of the sea rocking back and forth.

Astronomical Binoculars allow people to view certain elements of the sky from far away. There are many moons and planets that can be viewed with binoculars. Pluto, Eris and Uranus can all be seen easier with the use of binoculars. Some users use lower magnification binoculars so they can have a larger field of view than if they used a higher magnification.

BlueWaterArticles.com: - How to Pick a Good Pair of Binoculars


About the Author

Matt is a Binocular fanatic that has many binoculars available for sale at auction prices at his website MK 32 Binoculars UK.


Reblog this post [with Zemanta]

InfraRed Binoculars - What Are They And How To Buy Them?

Sphere: Related Content

InfraRed binoculars (also called IR binoculars and night vision binoculars) are binoculars that provide you to see in the dark and trough the fog. Normal binoculars can't do that, but thanks to modern technology, InfraRed devices are already built in binoculars. Many people nowadays need infrared binoculars - birdwatchers, cave explorers, security and military personnel.

InfraRed binoculars give a wonderful chance for birdwatchers to discover the nature at night. For example night birds or animals like owls, how will you be able to see them, without special night vision equipment? InfraRed binoculars are more expensive than regular ones. InfraRed (which means under red) means that any device with an infrared "detector" can "detect" "invisible warming", which means almost every object that we can find in nature is relatively warm, but we can't see that, thanks to infrared binoculars this is now possible. Almost every object makes an infrared radiation, and thanks to these "detectors" we can see these so called "hot spots" so "detectors" can find them, and make an image which is possible for a human eye to see. And thanks to infrared devices, doctors can find hidden tumors in the body, biologists can even find diseased vegetation in a forest and engineers can find leaks in mainstream heating systems.

When buying InfraRed binoculars, please, read all the features that specific binoculars provide. Maybe you are overpaying, by paying for the features which you don't need or you will not use. But then again, don't try to cut the price off too much, almost every time price reduction means - reduction in quality. Another thing to keep in mind before buying, is to make sure, that it will have all the additional features which you need, for example waterproof if you will use them near water, sealed if you will use them in caves or in dusty terrain and so on. InfraRed binoculars are also great, that human eyes don't need to adjust the dark, the special lens which is in the binoculars does that. If you will try to adjust your eyes to see in dark for a longer period, it could damage your eyesight, so by using InfraRed binoculars your eyes will not have any pressure at all. The beam that is generated by InfraRed will cause reflection of all near objects and then come back to the lenses of the binoculars. The lens will make an light beam, so our eyes can see, and this way there is no pressure to be made by our eyes.

Infrared binoculars are truly worth it's price, even if they are more expensive than "regular" binoculars. If you need night vision binoculars, then InfraRed binoculars are probably one of the best options. They also have their minuses, the range and field of view will be reduced, the range will be that far, how far are the "hot spots", if there will be no warm objects, then the vision of infrared ends there.

For more binocular reviews, tips and tricks visit http://www.best-binocular-reviews.com. We provide reviews for most of the binocular brands and types, and of course we give an honest opinion/review about each type and model ! Don't hesitate and visit http://www.best-binocular-reviews.com

Reblog this post [with Zemanta]

The Do's And Don't When Buying Binoculars For Astronomy

Sphere: Related Content

Using Astronomy Binoculars allows you to see things in the sky that you would normally not be able to see with your own eyes. There are many small details that cannot be seen with the naked eye. Buying Binoculars is a lot cheaper and a lot easier to use than to use a telescope.

Some people think that binoculars are actually better than Telescopes. If you are new to star gazing, binoculars are a much more cost effective way to get started in the hobby than a telescope. Telescopes are bigger and harder to set up, but Binoculars are small and can be used hand held. Binoculars don't have to be assembled like telescopes do, allowing a faster view time for objects that move quickly. Telescopes have a much smaller field of view than binoculars, meaning it is harder to find what you are looking for with telescopes than with binoculars. If you own a telescope already, buying binoculars might not be a bad idea because it can come in handy trying to find something with binoculars before using your telescope. General observation with binoculars is much easier because of the bigger field of view.

If you are going to star gaze with binoculars, make sure you used the various resources available. The web has a calender that shows you when and where to look to see certain comets and moons. There are also sky atlas' that show you all the different parts of the night time sky. If you are using high powered Binoculars, a tripod helps you keep your view steady and allows for a better quality image. Make sure to pack chairs or blankets for long nights.

Binoculars allow you to see much more detail than when using just your plain eye. You can get a good pair of binoculars for much less than a good telescope. For one, they are a lot smaller, and easier to handle. Binoculars are also easier to use than telescopes. When looking at wide groups of stars, binoculars are much easier because of the greater field of view.

Chose a pair of binoculars that fit your needs. Most binoculars are made for a particular purpose. Astronomy Binoculars should be around 7x to 12x. Magnification above 12x is too hard to keep stable. If you require a higher magnification, then a tripod can help you get into a higher range.

Matt Seweryniak is a binoculars guru and is the proud owner of Swarovski e1 Binoculars Site.

Reblog this post [with Zemanta]

Everything You Need To Know About Binoculars

Sphere: Related Content
Binoculars are the world’s most used type of optical instrument. They have many different uses, and choosing the right pair for a particular application is crucial. There are binoculars for astronomy, bird watching, marine, military, hunting, opera, compact, digital, and more. As you can see there are quite a few different types of binoculars that you can choose, from but one of the most popular are the digital binoculars.

Terminology

There is some binoculars terminology that you are going to need to be aware of if you want to make sure that you choose the right pair for you and your needs. The field of view is very important, and this is the amount of territory that you see when you are look through the binocular.

Two things determine field of view and these are magnification and eyepiece design. The exit pupil in a binocular is the actual width of the beam of light that leaves the eyepieces and is measured in millimeters. To see an exit pupil all you need to do is hold the binocular at arms length and you will see a circle of light in each eyepiece. This circle is the exit pupil, and to calculate the exact size of the exit pupil, you simply divide the first binocular number into the second binocular number.

It is important to check out the exit pupil when you are trying to decide which pair to buy because a large exit pupil is easier to keep centered on the eye and this is a major advantage. For instance when it is difficult to hold the binocular steady such as on the deck of a moving boat.

The twilight factor will also play a major role in deciding which pair is going to be right for you. This is a mathematical formula that predicts the amount of detail that can be seen in low light. Twilight factor is the square root of magnification multiplied by the objective.

How To Choose

It can definitely be tricky to decide on a pair of binoculars for yourself, especially if you have never done it before. There are so many different options staring back at you from the shelves, but as long as you keep these helpful tips in mind and remember to choose the right pair, depending on the specific application you are going to be using them for, you will be alright.

This information will help get you well on your way to finding a pair of binoculars that will be perfect and last you a lifetime.
Reblog this post [with Zemanta]

Finding The Best Binoculars For All Occasions

Sphere: Related Content
There are many different reasons to need the best binoculars, including hunting, bird watching, and other nature related activities. The range of the best binoculars and how easy they are to use will determine which of the best binoculars that you need for your particular situation.

Nikon Monarch ATB 8x42

If you are looking for the best binoculars overall, you will do well if you buy the Nikon Monarch ATB. This model of binoculars cost about $250, a little more or a little less depending on where you are shopping. This is the best choice for most shoppers because the binoculars have just as good of optics as any of the luxury brands, but still have features that are a little less convenient for expert users. The lens caps and the eyecups are not built like the luxury brands, but this is a small oversight if you want a quality pair of the best binoculars without having to spend the big money for them.

The Nikon Monarch ATB has 19.6 mm of eye relief. This makes the binoculars comfortable for nearly anyone, including those who wear eyeglasses. While the field of view and minimum focus are dwarfed by the luxury brands of the best binoculars, you will find that the 330 foot field of view and 8.2 foot minimum focus will be perfect for a variety of uses, including bird watching and hunting.

The Nikon Monarch ATB weighs about 21.3 ounces. These are the top binoculars in the mid-range price because they are also waterproof and fog-proof for the perfect look every single time, no matter what weather conditions are like. To compete with the luxury brand, Nikon does offer a 25-year warranty that is nontransferable and a lifetime no fault clause for repairs. This lifetime no fault will give you unlimited repairs for a $10 flat fee.

When you are looking to buy the best binoculars, you don’t want to just look at the features, but you want to look at the brand as well. You will find that Nikon is a well-trusted brand in a variety of different products, including their line of binoculars. The best binoculars will fit your purpose and be comfortable to use and carry around. Even if you decide to compare brands of the best binoculars online, you will also want to visit a store as well to get a feel for some of the brands that you are looking at.
Reblog this post [with Zemanta]