Binocular is a fantastic instrument. It has different kinds of uses. Depending on the benefits, the feature and the qualities vary. That’s why, when a person wants to buy a Binocular, get confused about which one will be appropriate for him/her and which one won’t. People have different purposes for buying binoculars, like some may want to use it for some regular use like sports watching, hiking, or for some holiday uses.
On the other hand, some may want to buy a pair of binoculars for more intense purposes like hunting, bird watching, space or sky-watching, boating, and spying. Considering these uses, manufacturers produce binoculars with different features. This article will show you how to choose a binocular and which binocular will be the best for you.
Before starting, we will show you some significant facts and features you should consider before buying your pair of binoculars:
Significant facts & features you need to consider before choosing:
|LENS SIZES||MAGNIFICATION NUMBER||PRISM TYPE||IMAGE QUALITY|
|FIELD OF VIEW||EYE RELIEF NUMBER||EXIT PUPIL NUMBER||PURPOSE OF USE|
|OPTICAL COATING||FOCUS QUALITY||SIZE & WEIGHT||RUBBER COATING|
Significance of Binocular Numbers & Terminologies:
You will see some numbers on Binocular. These are significant numbers, and you also need to know some technical terminology of binocular. Here, we will give a good idea about them. We will try to explain it most quickly; thus, you can get it easily.
NUMBERS & TERMINOLOGIES YOU MUST KNOW BEFORE CHOOSING
|Magnification Number||In a 10×60 Binocular, 10x is the magnification number. It means you will see the image 10 times closer than its actual distance. More magnification power decreases stability, and an unstable focus can reduce image quality.|
|Objective lenses||The number after the magnification number defines the objective size. For example, in a 10×60 Binocular, the objective mirror is 60mm. The bigger objective lenses make the image brighter, and even at the time of viewing the night sky, it produces more brilliant image quality.|
|Prism Type||There are two types of prisms designed for binoculars, such as PORRO PRISM and ROOF PRISM. Roof prism binoculars are relatively modern, whereas Porro prism binoculars are the older versions. Binoculars with roof prisms are compact binoculars than the Porro one. Because they use some single straight prism, on the other hand, the Porro is not straight.|
|Exit – Pupil Number||Exit – pupil number is the amount of light that allows you to see that item you want to notice from the binocular. The exit-pupil number should be more than 4.|
|FoV||FoV -Field of view is the size of the image or the quantity of horizontal image you will be able to watch from your Binocular. More than 300 feet is an average viewing field from a binocular. A wide field of view is always better for finding the objects. There is the angle of view also in a pair of binoculars. The field of view and angle of view both determine the same, the amount of horizontal space.|
|Eye Relief Number||If you wear glasses, this number is essential to you. The eye-relief number should be at least 15mm. This number matches the distance between your eyes and the binocular eyecups. It is also called eye relief distance.|
We will start with the general uses, and then one by one, we will guide the definite and professional users.
How to Choose Binoculars for regular use like hiking, sports watching or holiday needs like the movie watching
BINOCULARS FOR EVERYDAY NORMAL USES
|Magnification Number||8x magnification is perfect for close focus, like hiking, sports watching in the stadium, but for cinema watching in a cinema hall, 7x magnification is enough. Though you can use an 8x magnification binocular in the cinema hall. So, 8x magnifications are the best option for your general uses.|
|Objective lens||For general uses, lens size should be less than 30mm. An 8×28 pair of binoculars will be best for everyday uses.|
|Other important facts: FoV, Exit-pupil number||The average FoV(field of view) should be 300 feet or more and should be durable. We recommend you buy the water resistant binoculars version if you can afford it. 8×28 versions will be the best for general uses.|
How to Choose Binoculars for Birding?
BEST BINOCULARS FOR BIRD WATCHING
|Magnification Number||An 8x magnification number is the best for bird watchers. But you can also take a 10x version if you are an expert user because higher magnification needs an expert hand to keep it stable.|
|Objective lens||42mm is the best lens size for bird watchers. So, an 8×42 binocular is an excellent choice for bird-watching.|
|Other important facts: Fov, Exit pupil number||330feet is the best field of view for bird watching. It will be easier for you to track any birds with that amount of field of view. Find a durable one with perfect features.|
How to Choose Binoculars for Wildlife-viewing or Hunting?
BEST BINOCULARS FOR WILDLIFE VIEWING OR HUNTING
|Magnification Number||8x to 10x is better for hunting. 8x magnification is perfect for many people, whereas you can choose a higher magnification version like 10x if you want to use it from more distance. Sometimes, you may need more magnification. Thus, an 8×32, 8×42, or 10×42 is the best option. You have to choose according to your needs.|
|Objective lenses||32mm – 42mm is the perfect size for wildlife viewing or hunting. It also depends on your needs, like if you want to use it in a poor light condition, you need bigger lenses. On the other hand, for daylight, you can use 32mm is enough.|
|Other important facts: Fov, Exit pupil number||Average FoV like 300-375 feet is enough. But if you need more or less FoV, you can take it and choose the appropriate angle of view. Try to buy fog proof and waterproof binoculars. If you can get or afford a multi coated binocular, it will be best for rough uses. Find the best brand which will give you the best quality at an affordable price.|
How to Choose Best Binocular For Boating?
BEST BINOCULARS FOR BOATING
|Magnification Number||7x magnification is the ideal size for Marine uses. Because a ship or a boat is never steady. That’s why, even If you use any support to make your binocular stable, you will not succeed. So for better image stabilization, we recommend you to use lower magnification.|
|Objective lenses||50mm is a standard and ideal objective size. A 7×50 binocular will be the best for boating, and Marine uses to get better image quality.|
|Other important facts: Fov, Exit pupil number||385feet FoV is better for boating or Marine uses. Find the best brand for you, depending on how much you want to spend. Make sure that your models are waterproof binoculars. As you wish to use for boating, waterproof binoculars and multi coated version should be your priority.|
How to Choose Binocular for Sky watching or Astronomy?
BEST BINOCULARS FOR SKYWATCHING
|Magnification Number||8x to 10x is the average good magnification number for beginners. It will give you a good night sky viewing experience. Better eyepiece lenses (ocular lenses) are suggested for astronomy binoculars because you will not use your binoculars for astronomy at close focus.|
|Objective lens||50mm and 56mm are better for the beginners, giving a satisfactory result with bright images. Consequently, 8×56 and 10×50 is the best option for you because it has larger lenses as well as the right ocular lens size. On the other hand, if you are an expert sky-watchers and want some intense results, and want to have binoculars for astronomy unique experiences, the 25×100 binoculars are recommended. In fact, astronomy binoculars have larger magnification power because its ocular lens (eyepiece) is more powerful and has a bigger objective size.|
|Other important facts: Fov, Exit pupil number||A field view of 300 feet is enough for astronomy binoculars. You have to use a stand or tripod to get stability. If you want to use it roughly, we suggest buying multi coated and water resistant binoculars. Find the best quality according to your price range.|
PRISM: Which prism should you choose, PORRO or ROOF?
It depends on your demands and your budget. Like, if you want lightweight and compact Binoculars, roof prism will be better for you. On the other hand, if you don’t want to spend too much money, you are a budget buyer; Porro prism will be better because the roof prism is more expensive than the Porro prism.
We are all budget buyers. We all want the best quality in our budget. We think that you also want the best binocular within your budget. Now you know how to choose a binocular according to your needs. So, first of all, find out which brand gives you the best quality at an affordable price. Then select a binocular in pursuance of your choice considering all the features of it. First of all, look for durable, rubber coated, weather resistant binoculars which have larger exit pupil, has good optical design, has sharper focus, has a right angle of view, and produces quality images. Finally, buy your favorite Binocular. After purchasing, always use a neck strap for your binoculars safety and a lens cleaner to betterment your binoculars.
I am an enthusiastic student of optics, so I may be biased when I say that optics is one of the most critical fields. It doesn’t matter what type of optics you are talking about – optics for astronomy, medicine, engineering, or pleasure – all types are essential.
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