What is the Strongest Magnification for Binoculars?

Before buying binoculars, people ask themselves ‘what is the strongest magnification for binoculars’. Basically, the main purpose of binoculars is to magnify objects. People use them whenever they want to see something zoomed in and from up close. This allows them to explore all the details. No matter the distance, they are able to spot what they are after.

However, not all models have the same magnification. That’s why sometimes it’s hard to make up your mind. Many users think that the stronger the magnification is the better. But this isn’t always the truth. It depends on the binoculars’ type and lenses among other things. Therefore, you should understand what magnification actually is, how to calculate it, and choose the right one.

We’ll help you. In the following paragraphs, we’ll go over some details about magnification. And give you the answer to the biggest question about the strongest one. So, follow suit!

What Magnification Represents

In its base, magnification is related to the closeness of the object. It’s a key part of all binoculars. Regardless of the type and model, they all have it. It goes together with the lenses diameter.

Moreover, when you search for binoculars there are always two numbers with an ‘x’ between them. The first number is always the magnification. It actually shows the buyer how many times the object is brought closer to their eyes. For example, the magnification is 7 times and the object is situated 70 meters ahead of you. The object will appear like it’s only 10 meters distanced from you.

Because of this, it sounds appealing to get a stronger magnification. It’ll help you view the objects closer. Wrong. This isn’t always the case. Why? A stronger magnification at the same time means less stable view. Also, it has an effect on the brightness, the exit pupil, and twilight factor. So, you should be careful with your decision.

Magnification Represents

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How to Calculate the Magnification

Calculate the Binoculars Magnification
Calculate the Binoculars Magnification. Source: nikon.com

As many experts for binoculars may confirm, the magnification and the size of the objective lens are the two defining factors when buying binos. They are known to influence the purchasing decision. In fact, these two pieces of information are embedded in the binoculars, themselves. And you’ll see how very shortly.

If you want to use your binos properly, you need to know their magnification power. How much you see through them depends on that.

One way to calculate the magnification is by analyzing the eyepieces. That’s right, you’ll find something that looks like a number times another number. For instance, 10×26, 16×25, 8×20 and many others. The first set of digits is the magnification power. In the first example, that’s 10x. The second number is the size of the objective lens. 26 millimeters in the first example.

For the mathematical part, you’ll need two focal lengths. The first one is the binocular tube’s focal length. Unfortunately, you can’t find it anywhere on the actual model. That’s why you should check the user manual to find this number. Another source may be the manufacturer’s website. More precisely, look for the technical specifications of the particular model.

The second focal length is that of the eyepiece. You can receive that type of information from the website of the brand, too.

After you know these two numbers, it’s time to divide. Having said that, you should divide the binocular tube’s length of focus by the eyepiece’s length of focus. And you’ll get the power of the binoculars or the magnification. To illustrate with numbers, if the former focal length is 200 millimeters and the latter one is 20 millimeters, the magnification power is 10x normal.

After all, it’s very easy if you know where to look and what to do with the data you have.

Common Magnifications

It’s a fact that most models of binoculars incorporate similar magnifications. More precisely, there are five common magnifications – 5x, 7x, 8x, 10x, and 12x. They represent the maximum amount of times you can magnify the view.

Out of them, the last two are the riskiest when it comes to a stable image. This is why it’s advisable to place the binoculars on a tripod or something similar to stabilize them. Yet, it’s undeniable that with these magnifications, you can stand at a great distance and still see details from afar.

What Is the Right Magnification Power for Different Types of Situations?


Usually, there is no one type of magnification that fits all scenarios. After all, as there are multiple kinds of binos dedicated to different outdoor activities, magnification powers differ accordingly. In some situations, you may want to zoom in a lot. For instance, you’d want to do that when you’re hunting or birdwatching. Sometimes, zooming in isn’t as important as the clarity of the image.

To fit most situations, you may look for a magnification power in the range from 7x to 10x. Furthermore, hunters who go for the large game may prefer a 10x. That’s because they should observe how the prey behaves from afar. The 7x magnification is reserved for attendees on sports matches that take place in an arena. And individuals that visit the theater would benefit most from a magnification that goes from 3x to 5x.

What is the Strongest Magnification for Binoculars?

Strongest Magnification for Binoculars
Source: amazon.com

It may be unbelievable. But the strongest magnification found in binoculars is 160 times. Yes, Sunagor’s megazoom binoculars are known to be the most powerful ones on the market. And they have a magnification from 30 to 160x. It’s accompanied by a 170-millimeter diameter of the lenses.

Because of this, they provide a wider field of view with a lot of brightness. Therefore, you can zoom in from incredible distances and see the objects like you are close to them. Also, thanks to this magnification, you can watch the stars, the moon, and even planets. So, astronomers will find great pleasure in this.

Only have in mind that you should put binoculars like this on something very firm. This is to keep them and the image absolutely steady.

Final Words

After all of this, we saw how important magnification is and showed you how to use it. Now, we want to hear what you think of it. Would you get binoculars with the strongest magnification? Tell us everything here and stay connect with Gear Odds for more helpful information.

Essential Guides For Beginners:

This beginner’s guide for binoculars you will learn how to identify the best binocular for your needs, what to look for when shopping, and how to find your way around this new field. Binoculars are the tool of choice of many bird watchers, stargazers, photographers. For everyone else, they are a sharp new hobby or profession opportunity. Check and out these guides:-

Matthew Koch

Hi, I'm Matthew, a passionate blogger and traveler. I'm also a hard-core hiker. Hiking with friends and visiting new places is what I live for. Currently, I'm working at Gear Odds as CEO & Columnist. I would like to provide my best outdoor experience possible.