How to Evaluate Binoculars Quality

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If you plan to purchase a brand-new pair of binoculars, then it’s a great idea to know how to evaluate binoculars quality. As of now, there are so many brands that offer so many types of binoculars. So, it’s really easy to fall victim to false advertising.

Also, you can end up buying a pair of binoculars that might be good but not for your use. So, it is imperative to find a pair meant for your intended use and is of top-notch quality.

Here in this article, I will tell you all about how you can find a quality pair of binoculars with some simple and easy tips. So, without further ado, let’s head right into the evaluation.

How to Evaluate Binoculars Quality?

Here are some aspects to check so you can confirm the quality of a binocular. Take a look.

Check the Mechanism

For starters, check the bridge that connects the two eyepieces and see if they are aligned correctly. Try to move it around and see if they easily fall out of place or wobble. If they don’t, then that’s excellent news.

Try turning the focus wheel to focus on objects and see if you can use this feature correctly.

Also, check if it’s too loose or too tight; either scenario is problematic. The focus wheel is a vital feature of a binocular, so make sure they are perfectly in place and usable.

Overall, check the product description to see if it matches the product at hand, and make sure to try to use the features mentioned in the booklet provided by the company to see if all of the claimed features are present.

While inspecting, don’t put any pressure onto any parts that can potentially damage the product.

Check the Quality of the Prism

The quality of the prism is what can essentially make or break the product. To check the quality of the prism, hold the binocular away from you at an arm’s length.

Make sure you hold it against a bright background, or else you won’t be able to tell any difference.

Now that you are holding it at arm’s length try seeing through the lens. Do you see any weird lines around the lens, or does it look square-shaped? If it’s any of these, then the prism used with the binocular is probably not of great quality, or the prisms are undersized.

If it seems evenly illuminated and perfectly circular, then the prism is of great quality. Usually, it is optimum to go for Bak-4 prism because it has a high refractive index, which is the lens that is free from forming any blurry edges.

Check the Optical Coatings

An excellent pair of binoculars will offer multiple complex coatings to improve the light transmission through it. You can generally find these descriptions on the box, but you have to check them yourself to make sure the claims are valid.

To check the coatings, hold the binocular away and under bright lights. Now check the reflection on the lens. If the pair is good, then the reflection will be weak, and it will have a blueish or greenish tint.

You have to avoid those with a strong reflection because that is an indicator of missing optical coatings.

Now, look through the binocular. Are the inner walls shiny? Are they reflecting a lot of light? Then probably it is the best idea to leave that pair because the inner walls of a quality binocular should be pitch black.

This way, no light can escape and reflected back to your eyes.

Check the Collimation

The collimation of a binocular is the proper adjustment of the optical barrels and ensures they are equally aligned. That is the absolute basis for a binocular to be even usable, honestly.

If the vision through the barrels is not aligned, you can see the projected picture overlapping, which is a disaster.

To check this, you have to aim at a distant object and see if the visions are aligned and if there is a double image problem. If there is a collimation problem, then looking through the binoculars for a brief moment can be painful for your eyes.

Check If the Images Are Distorted

Look through the lens and see if the images are distorted or disproportionate. This can very much happen if the lens used in the binocular is of cheap quality. So, make sure that the images are perfectly proportionate, so when you use it, for example, to watch the birds, they don’t seem all disproportionate and weird.

Check for Chromatic Aberration

Chromatic aberration denotes color defects. Sometimes, the colors can seem off through the lens of a binocular, which is an indicator of a wrong pair. Sometimes the images seem too contrasted, and sometimes there can be found a yellow or greenish tint.

Check if the colors are realistic and there are no weird hues around the edges. That can ruin the experience, and it can even get worse with time.

Bottom Line
After reading this article, I am pretty sure you now know how to evaluate binoculars quality. Ensure you check and double-check all the mentioned points to make sure that the binoculars meet your expectations. Binoculars are not a cheap gadget by any means, so if you are planning to splurge, splurge wisely.

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