How to Clean the Dust Out of a Camera Lens? (Complete Guide)
8 mins read

How to Clean the Dust Out of a Camera Lens? (Complete Guide)

As an Amazon Associate, I earn from qualifying purchases.

One of the key elements affecting image quality is the state of your camera lenses. Clear lenses aid in taking images that are sharp and clear. However, it is normal for your camera lens to get dust which lessens your camera to capture better pictures.

Clear lenses often survive longer than filthy lenses. This is why it is important to know when you need to clean the lenses and how to inspect the right location where dust usually gets into. Most importantly, users should know how to clean the camera lens.

I’ll go into more detail about the camera lens getting dust inside of it and how to fix this issue. So, continue reading the article.

How Do Camera Lenses Actually Function?

Knowing how to clean the dust out of the camera lenses is an important aspect to know. However, I think it’s equally important to understand how camera lenses work to help users appreciate how important lens cleanliness is.

You can regulate the quantity of light entering your camera using lenses, which function similarly to the human eye. Light is bent and refracted into a single, sharp focal point by a combination of convex and concave optical components found inside each lens.

The magnification increases as the focal length increases. The magnification decreases as the focal length increases. For instance, a 24mm focal length lens will provide less magnification than a 200mm focal length lens.

Each component of the lens has a significant function.

How to Check for Dust in Lenses

When doing a quick visual check of the lens front, it is typically possible to see any substantial dust particles beneath the first lens element. Just be sure to clean the front properly beforehand and to take out any protective filters. You might spot some dust behind the front glass element if you look straight ahead and then view the lens at an angle.

To view the dust well, first find a really powerful LED flashlight. Adjust the lens aperture. After opening the aperture fully, remove the front lens cover, turn on the flashlight, and aim it at the back of the lens.

You might start noticing some of the particles, some of which may be dust, some of which may be tiny bubbles, and others can be additional glass flaws.

How to Clean the Dust out of The Camera Lenses?

After finding the dust inside your camera lens, you now need to know how to clean the dust. Follow the steps as below:

Remove the front lens and external mounts.

Remove the safety ring from the front first. To prevent leaving fingerprints, put on some protective gloves. Find a space, then use a flathead screwdriver to lift the ring. To avoid tearing, take care to remove the ring without tugging. Use a separate cloth to hold all clean pieces.

Dry dust on the inside surface of the ring can be removed with a blower. To get rid of any leftovers, use a dry cotton swab followed by some water. At last, use a cloth to clean the ring.

Here are some guidelines for easily clearing the front glass of dust:

  • Utilize soft brushes to remove dust. blow the rest off
  • For tiny spots, use microfiber cloths. To prevent scratches, ensure the surface is dust-free before cleaning.
  • Grease stains can be removed using specialist wipes and lens cleaning solutions.
  • Rotate concentric circles, working your way out from the center. To prevent streaks, avoid wiping in longitudinal motions.

Clean the inner lens elements of dust.

Avoid touching visible components or inner lens elements under any circumstance. Keep the blower at a safe distance while using it to remove dust from inside camera lenses. Finally, slant the lens with the hole slightly downward to prevent dust from returning during the final few hits due to gravity.

To get up close to the inner lens, fully zoom in. If required, clean the glass with a soft brush and a Lens pen. Blower-finish the cleaning, and put the lens back together to its location.

If necessary, remove the rear lens.

Usually, the back of the lens mount has to have a few screws removed. After that, carefully lift the back part and blow the dust away using a blower. Clean the subsequent lens element inside. Then, using the same rocket blower, blow the dust off the element by zooming out until it is moving downward and toward the back.

Avoid touching any interior parts or components of the lens. Keep a safe distance when using the blower to avoid hitting anything by accident.

You should not overtighten the screws while putting them back. Put them back precisely where they belong if they are designated with a different color.

Also, watch this video to understand how to clean the dust step by step.

How to keep the lens of the camera clean?

The way it is important to know how to clean the dust out of the lens, and it is also important to know how you should keep the lens clean. Here are some ideas for maintaining a spotless camera lens:

  • Before putting your camera in a bag, always remember to attach the lens cap.
  • Do not keep the lenses in your camera bag. Keep them away from dusty regions.
  • You have to mount a new lens or cover the camera immediately after removing the lens from the body.
  • Always keep the lens cap on when rested.

Using rubbing alcohol to clean your lens is allowed or not?

Isopropyl alcohol comes in different strengths that you can use as rubbing alcohol.

Remember that isopropyl alcohol cannot come with other substances, such as glycerin if you intend to utilize it. The lens surface may develop a filmy residue because of it.

To place your own lens cleaning solution, combine 99% isopropyl alcohol and distilled water in equal parts. Apply the solution to the lens using a little spray bottle.

Which lenses are more prone to a buildup of dust?

Consumer zoom lenses can blow air into the camera chamber through retractable bodies that can pull in outside air.

The lengthy body has numerous weak points as well. The finest 24-70 lenses, for example, typically offer stronger weather protection and all-around rubber seals than amateur retractable zoom lenses.

The models that are least susceptible to dust are those with fixed focal lengths.

How often should the users clean the lenses?

Getting your camera sensor cleaned at least 2-4 times a year is advised if you shoot very often. Prior to heading out to shoot, you should always clean your lenses and sensor.


Your camera lenses are a significant financial commitment. You must look after them if you want to get the most out of every penny. To take high-quality images, keep your lenses in top condition. Long-term time and hassle savings come from giving a clean camera lens priority.

Now you know everything about cleaning dust, so if you run into this issue again, remember what I mentioned in the article. This article will assist you to get the information that you are looking for.