How to Fix Binoculars with Double Vision? Tips and Tricks

Binoculars are a fantastic tool for bird watchers, hunters, and outdoor enthusiasts. You also know the importance of having a reliable pair of binoculars. but they can be frustrated when they’re not working properly.

One of the most common issues with binoculars is double vision. If you’re experiencing this problem, don’t worry – it’s usually an easy fix. Where the two barrels of the binoculars fail to align properly, resulting in a blurred or overlapping image.

Steps to Fix Binoculars with Double Vision

We’ll walk you through the steps to fix binoculars with double vision and get them back to their optimal viewing capabilities.

Identify the Problem

Before attempting to fix your binoculars, it’s essential to identify the root cause of the double vision. There are several reasons binoculars may develop double vision, such as misaligned prisms, loose internal components, or lens damage.

Take a closer look at your binoculars and try to identify any visible signs of damage or misalignment.

Related: What Magnification Binoculars for Hunting?

Adjust the Diopter

If you wear glasses or have a significant difference in your eye prescription, your binoculars’ diopter adjustment may need to be adjusted.

The diopter adjustment is typically located on one of the eyepieces and is used to adjust the focus on one side of the binoculars to compensate for the difference in your eyes.

To adjust the diopter, first, focus on a distant object with one eye, and then close that eye and open the other. Adjust the diopter until the image appears clear and in focus.

Align the Prisms

If the double vision is caused by misaligned prisms, you can try to realign them by adjusting the screws on the binoculars’ housing. The housing is typically located at the center of the binoculars and contains the prism system.

Use a small screwdriver to adjust the screws until the prisms are correctly aligned, and the double vision is eliminated. Be careful not to overtighten the screws, as this can cause damage to the binoculars.

Tighten Loose Components

If the double vision is caused by loose internal components, you may need to tighten them to eliminate the problem. Start by gently shaking the binoculars to identify any loose components, and then use a small screwdriver or wrench to tighten any loose screws or nuts.

Be careful not to overtighten, as this can also cause damage to the binoculars.

Seek Professional Repair

If none of the above steps solve the problem, it may be time to seek professional repair. There are many professional repair services that specialize in fixing binoculars and other optical devices.

These services have the expertise and tools necessary to diagnose and fix more complex problems that may be causing the double vision.


Double vision in binoculars can be a frustrating and common problem for outdoor enthusiasts and birdwatchers. However, by following the above steps, you can identify and fix the problem on your own or seek professional repair if needed.

Remember to handle your binoculars with care and maintain them regularly to prevent future problems. With a little patience and know-how, you can get your binoculars back to their optimal viewing capabilities and continue enjoying the great outdoors.

Frequently Asked Questions

Why are my binoculars suddenly showing double vision?

Binoculars may show double vision due to various reasons such as misaligned prisms, misadjusted focus, or a damaged lens. It’s important to determine the cause before attempting any fixes.

Can I fix double vision in binoculars on my own?

Yes, depending on the cause of the double vision, you may be able to fix it on your own. However, it’s important to have some knowledge and tools for repairs, and if you’re not confident, it’s best to seek professional help.

How do I align the prisms in my binoculars to fix double vision?

To align the prisms, you need to loosen the screws that hold the prism housing and gently adjust the housing until the two halves of the image merge into one. Be careful not to overtighten the screws.

What should I do if I can’t fix double vision in my binoculars?

If you’ve tried all the possible fixes and your binoculars are still showing double vision, it’s best to take them to a professional for repair. Attempting more complicated repairs on your own may cause more damage to the binoculars.

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