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Blog

Recommendations to buy binoculars in 2022

Apexeloptic2022-03-11T06:39:20+00:00
Binoculars

Binoculars can be used for a variety of purposes, including hunting, birding, astronomy, or watching sporting events or concerts.  However, not all binoculars are created equal, and being able to choose the right binoculars for your particular hobby can make a big difference in the long run.  

By understanding what to look for in binoculars and how to evaluate them, you’ll be able to ensure you’re getting the right type of binoculars for you.  Only with a certain understanding of binoculars, you can very well avoid stepping on thunder and buy the right binoculars.  Let’s take a look at recommendations to buy binoculars in 2022.  

Forest landscape

1. What time of day do you use your binoculars?  

If you plan to use binoculars at sunrise or sunset, the objective diameter, exit pupil, and transmissivity are all important.  

The objective diameter is the measurement of the lens at the end of the binoculars.  A larger objective diameter allows more light to enter, making the image look brighter (all other factors being equal).  

Exit pupil tells you how much light is being sent to your eye through the binoculars and is calculated by dividing the size of the objective lens by the magnification factor.  

The transmittance measure will tell you the percentage of light that reaches your eye after entering the binoculars.  The lens coating used can help reduce the amount of reflected light and increase the amount reaching the eye.  This helps to improve the brightness and sharpness of the image.  

Compact binoculars have smaller objective diameters and exit pupil measurements than standard size binoculars, and thus tend to work best in brighter daylight conditions.  These factors may be particularly important if you plan to use them for birding at dawn or dusk and should be considered together.  

2. What kind of prism do you want?  

Binoculars can be divided into two types – roof prism and Polo prism.  You are more likely to encounter rooftop prism binoculars because they are smaller and lighter than Polo prisms.  Roof prisms are made from two straight tubes that lead directly to your eyes through a set of prisms, while polo prisms binoculars are wider and use angled prisms to reflect light from the scene into a smaller, centrally placed objective lens.  

Paul prism is the use of the principle of total reflection of the incident light, does not need to be coated reflective film, and a group of Paul prism only need to be in the hypotenuse of the two surface coating anti-reflective film, so the cost of Paul prism is relatively low!  And Paul prism does not exist double aberration and phase difference, so the use of Paul prism telescope, often can obtain the very good optical effect, the price is relatively low.  

Forest landscape

However, the incident light and the outgoing light of Paul’s prism are not in the same line, which leads to the large volume and weight of the telescope. Moreover, the distance between the center of the objective lens is too large, leading to the strong three-dimensional sense of the telescope, which is not suitable for observing the close target within a few meters.  At present, Paul prism is mainly used in low-end hand-held telescopes and large-caliber telescopes as well as special telescopes for military use. For low-end products, it can achieve better optical effects at a very low price.  

For large telescopes, which are inherently portable, using Paul’s prism doesn’t matter at all, and it’s cheaper and better.  For military telescopes, Paul’s prism can be used to obtain a stronger structure.

3. Determine your price range in advance.  

In general, the more expensive top-of-the-line binoculars have higher image quality and are more durable.  However, there are plenty of inexpensive binoculars that are durable enough and have good optical quality.  So choose a price range in which you can safely buy binoculars and will not be forced to go beyond that range.  

4. Consider waterproof and waterproof binoculars.  

Waterproof binoculars can be used if you don’t plan to use them in inclement weather or in situations where you often get wet.  If you plan to take them white-water rafting or skiing, use waterproof binoculars.  

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