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how to keep binoculars from fogging up

binoculars fogging up

The article will discuss how to protect your binoculars from fogging up and becoming useless. There are a few different ways that can be used to avoid becoming useless when they get wet, discovered!

Warning you may have to buy new ones;

If you love spending time outdoors observing nature, you’re going to want to keep your binoculars clean and fog-free. Here are four tips on how to do just that. 

1. Clean your lenses often

A dirty lens will cause the binoculars to fog up and degrade the image quality. Make sure to clean them every time you use them, whether that’s after a quick field survey or a long day of birdwatching. Just be careful not to get water in the eyepieces – use a soft cloth or lens cleaner with a small amount of alcohol.

2. Use a fog-proof case

 Binoculars don’t need to be housed in a heavy duty case for protection from the elements, but they do need some sort of sealant or cover to keep moisture and dust out. A good option is a fog-proof binocular case, which can also help prevent scratches on the lenses. Just make sure the sealing compound is compatible with your lens coating; many cases come with instructions.

3. Keep your lenses cool

The best way to stop binoculars from fogging up is to keep the lenses cold – believe it or not! Simply freeze cold water in an  airtight container and pour it over the lenses before use. The cold liquid will cause the air to expand, creating a fog-free image.

4. Get a good lens cleaner

Special lens cleaning solutions are available that work very well at removing all types of dust, oil, and dirt from the lens surface. Be sure to check the ingredients before using, as some cleaners contain harsh chemicals that could damage your lens coatings. Just spray a small amount of cleaner onto a cloth or tissue and wipe the lens clean. 

If you follow these tips and still experience problems with your binoculars fogging up, it may be time to purchase a new pair.

Remedy for foggy binoculars which is going to involve whiskey and lemon juice;

binoculars fogging up

If your binoculars are fogging up, there is a quick and easy solution. Simply pour some whiskey into a small bowl and add enough lemon juice to make a thick liquid. Wet your eyeglasses with the liquid solution and screw them onto the binoculars. The combination of the alcohol and acid will neutralize the fog on the lenses. 

Alternatively, you can use a fogging solution available at most sporting goods stores. Simply spray the solution onto the lenses and let it sit for a few minutes.

Always try to store polish your binoculars with a little bit of gun oil at the beginning and end of each use

There are a few ways to keep your binoculars from fogging up. One way is to always try to store polish your binoculars with a little bit of gun oil at the beginning and end of each use. This will help prevent the accumulation of moisture and oxidation on the lenses. Another way to prevent your binoculars from fogging up is to keep them at a cool, dry place away from sunlight and strong air currents. Finally, never use abrasive cleaning supplies on your lenses or optics. 

If you do experience fogging or any other issue with your binoculars, don’t hesitate to reach out for help. Our experts can diagnose the issue and recommend a suitable solution.

What Causes Foggy Binoculars?

There are a few reasons why your binoculars might start to fog up. One is that the air inside the lenses is hot and humid, which can make it difficult for the optics to function properly. Another reason is that residue may build up on the surfaces of the lenses over time, interfering with their ability to transmit light. To prevent your binoculars from fogging up, consider cleaning them regularly and avoiding exposure to extreme heat or humidity. 

If your binoculars still refuse to perform optimally, it may be time to consider a new set. Many times, simply repairing or replacing the lenses will resolve any problems.


Keeping your binoculars from fogging up is an important part of keeping them in good condition. Here are a few tips to help you out:

1. Keep your binoculars clean. Cleaning them regularly can help prevent build-up of dirt, grease, and other debris that can cause lenses to mist up.

2. Use a eyeglasses case or storage container if you plan on storing your binoculars for an extended period of time. This will prevent the lenses from misting up due to condensation.

3. Avoid using your binoculars in direct sunlight or near a heat source. The heat generated by these sources can cause lenses to mist up.


If you’re looking to keep your binoculars from fogging up, there are a few things you can do. First, make sure the air inside them is clean and free of dust and other particles. Second, make sure that the lenses are clear and free of scratches or casts. Finally, avoid using them near liquids or sharp objects, as this can cause condensation to form on the lense

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