How To Keep Binoculars From Fogging Up

If you are looking for the solution of the fogging up problem, then here are some easy steps for you about how to keep binoculars fogging up. You can solve this problem so easily by following these steps.
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Today I am here to tell you the answer to a question. The question is “How to keep binoculars from fogging up ?” Before answering the question, I will let you know some basics about binoculars. Binoculars is a handheld optical instruments. Using this instrument, you can have a magnified stereoscopic view of an object far from you. There are two similar telescopes in a binocular. They are mounted in a frame. There is a thumbwheel, using which you can control the focus of both telescopes simultaneously. This instrument is designed to provide you with a correctly oriented left to right upright view. This is more efficient than a single telescope. While using a binocular, it fogs up sometimes. In this article, I will tell you why this happens and how to keep binoculars from fogging up. Now let’s dive into the details.

Why Do Binoculars Fog Up?

We use binoculars to see things far from us. But sometimes binoculars fog up. The reason behind fogging up is the change in temperature and humidity. When you take your binoculars from a low-temperature place to a high-temperature place, the humidity changes and the binoculars start to fog up.

The fogging up causes problems for your activity. This reduces the visibility. Two types of fogging can happen to your binoculars. One is internal fogging and another one is external fogging.

Internal Fogging

Internal fogging means fogging up the inside of the binoculars. This is annoying because it hampers your view. The condensed water gets into the lens of binoculars. There can be another problem with the binoculars. The fungus can be created inside the binoculars because of moisture. It can damage your binoculars. It is difficult to clean the internal fogging, but not impossible. You can clean the moisture by following the article “How To Keep Binoculars From Fogging Up”.

External Fogging

External fogging means fogging up outside the lens of the binoculars or the outer body part of the binoculars. It causes a change in temperature and humidity. It is easy to clean the fog. You can do this by wiping cloth on the outer surface of the binocular lens.

how to keep binoculars from fogging up

Benefits Of Fog Proof Binoculars?

To get rid of the fogging-up problem of binoculars, you can use fog-proof binoculars. There are some waterproof binoculars on the market, which can prevent internal fogging. There are some benefits of fog-proof binoculars. Now it’s time to discuss the benefits of fog-proof binoculars in this ” How To Keep Binoculars From Fogging Up ” article.


If you buy a fog-proof binocular, it will last longer than a normal binocular. Because the fog-proof binoculars are made with better design. They are tightly sealed so as not to allow any water or fog inside the lens of the binoculars. So it causes no damage to the binoculars. That’s why it lasts longer than its competitors.

Reduces The Chances of Fogging Up

When the lenses of binoculars fog up, this is one of the most annoying things. This is caused by the moisture inside the lens. But when you use a fog-proof binocular, it doesn’t allow the water or fog to get inside the binocular. So reduces the chance of fogging up.

Better Made

The fog-proof binoculars are made better than the other binoculars. These are manufactured with better attention. The structure of the fog-proof binoculars made them different from other binoculars. Suppose you are using a waterproof binocular, and the binocular falls into the water. It will not be damaged. Still, you can use that one. Fog-proof binoculars also provide you with a better result.

Worth The Price

Fog-proof binoculars are more expensive than others. But it is worth the cost. Because it comes up with some vital features like it reduces the chance of fogging up, it is long-lasting. So you can use it for a long time. That’s why I think it’s okay to pay more for a quality product.

How To Make Binoculars Fog Proof In Easy Steps

You can make binoculars fog proof in easy steps. I will describe the steps in this “How To Keep Binoculars From Fogging Up” article. There are six easy steps to do this. 

Dry Out 

Binoculars fog up because of the change in temperature and humidity. It makes moisture in the lens of the binocular. So if you dry it out, it will not fog up. 

Anti Fog Products

There are various types of anti-fog products available in the market like spray, cream, gel, wipe, etc. You can use these products to fix foggy binoculars. But you shouldn’t use these products without the suggestion of the manufacturer.

Use A Desiccant 

If you feel lazy or you don’t have enough time, you can use desiccants. This way you can solve the fogging up the problem. You have to put your binoculars into a desiccant like uncooked rice for 24 hours. The desiccant will absorb the moisture of the binoculars. You can use this amazing hack in case of any electrical item also.

Fog Proof Binoculars

If you want to save yourself from all these hassles, then purchase a binocular which doesn’t fog up. There are so many fog-proof binoculars on the market. You can purchase them to avoid the fogging up problem.

Spit Out

Sometimes the outer lens fogs up due to the cold weather or change of the temperature. It is so easy to clean the outer lens of the binoculars. You can clean the outer lens using spit. Just spit out on the outer lens and wipe it. It works.

Keep In Dry Place

Try to keep your binoculars in a trying place. You can keep it in an airtight bag. It will keep your binoculars dry on foggy nights and mornings. If you keep it open, it will fog up because of the cold weather at night. So you can prevent fogging up of the binoculars by keeping it in a dry place.

What Makes Anti-Fog Binoculars?

To avoid the fogging problem you have to use anti-fog binoculars. Anti-fog binoculars made of quality materials. Those are manufactured nicely and tightly to avoid any kind of fogging up. You can use waterproof binoculars to avoid this problem. They are also anti-fog binoculars. A good structure made a binocular anti-fog. Anti-fog binoculars make it easy for you to see your target easily without any problem. 

The Condensation Occurring Inside The Binoculars

The easiest way to keep binoculars from fogging up, is to make sure that you are buying waterproof and O-ring sealed binoculars. The rating of IPX-7 or similar one is the best. Special fog proof binoculars are sealed with O-rings and some are filled with inert gas like argon and nitrogen. There will be no internal fogging in these binoculars. But that doesn’t mean it will not fog up on the outer part. There are water repellent substances or hydrophobic coatings to prevent this.

If You Have A Normal, Non-o-ring Sealed Binocular, The Following Hints Help To Prevent Fogging

  • Use The Binoculars in Dry Weather

To prevent fogging you should use the binoculars in good dry sunny weather. Because if you use it in cold weather, then it will fog up.

  • Avoid Temperature Differences

When there is no large temperature difference, moisture will not condense on the binoculars. So don’t take it in such a place where there is a large temperature difference.

  • Apply An Anti-Fog Agent

There are so many products online to clean the lenses like sprays, drops, etc. You can also spit on the lens to clean it. It really works.

Additional Tips for Defogging Faster

Binocular fogging up is a common problem for every user. To get rid of this problem easily you can follow so many steps. Suppose your binoculars fall into the water, now there is so much water inside the lens. There are some additional tips for you to get rid of this.

  • If it fogs up inside the lens, put it in rice for 24 hours. 
  • If it fogs up outside, spit on it and wipe it with a clean cloth. 
  • Don’t use it in low temperature place.

Final Word

In this article, I told you how to keep binoculars from fogging up. Now you know the steps to do this. If you face any problem, just follow the steps. You will have a clear binocular lens. Hope you can enjoy the best view through your binoculars.

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