Can fungus be cleaned from a camera lens?
Jessica Cortez
Updated on April 02, 2026
A hydrogen peroxide blend with ammonia is a good method, as is a vinegar and water solution to remedy the fungus problem. Make sure you don’t delay, or you’ll need to have the lens professionally dismantled and cleaned, which will be expensive. If the lens has to be re-coated, then you’re looking at another big charge.
How do I get rid of fungus on my camera lens without opening it?
4 Answers. UV light will kill the fungus, so all you need to do is let the lens be exposed to sunlight for a few days. Be sure to remove any UV filter you might have attached to the front of the lens. Unfortunately, killing the fungus is not removing it.
How do you clean the inside of a Nikon lens?
To remove dirt and smudges, use a piece of lint free lens cleaning tissue and a small amount of lens cleaning solution. Place a drop or two of cleaner on the tissue (never directly onto the lens) and then wipe the lens in a circular motion working from the centre to the edge of the lens, removing any marks or smears.
Can you use alcohol to clean camera lens?
Yes, you can use alcohol to clean a camera lens. I recommend using 99% Isopropyl Alcohol diluted with distilled water at a ratio of 50/50. Some variants of Isopropyl Rubbing alcohol have less than 99% and include other agents that leave sticky residue on your lenses.
What does lens fungus look like?
Lens fungus is a combination of dust and moisture that finds its way into the interior elements of a camera lens. It can look like small web-like spots or patches inside the lens. Left untreated, lens fungus can permanently decrease the performance of the lens and cause your images to look fuzzy or hazy.
What can I clean my Nikon lens with?
How do I get rid of fungus on my camera lenses?
The best way to avoid dust and lens fungus is to keep your camera and lenses cleaned and in airtight containers with bags of silica gel, which absorbs moisture. You’ll want to periodically clean the outside of your lenses – the glass and the lens barrel – to remove any dust deposits and to remove any grease deposits (this is food for the fungi).
How do I clean the lens of my camera?
With the water gone, use that sparkling clean microfiber cloth to lightly wipe the lens. Now, inspect the lens under your lighting. Check it from both sides and with different angles of light to be sure that all the fungus is gone and you have no dust or smudges on the glass.
Can dust get inside a camera lens?
Dust can easily find its way into your lens. Sometimes it contains fungus spores. When it meets with moisture, the fungus can grow inside the camera lens. When it starts to grow, lens fungus looks like little spiderwebs. After a while, the fungus becomes visible to the naked eye. Fungus is prevalent in old lenses.
Is it safe to clean Nikkors lenses with chemicals?
This is safe for the coatings on Nikkors but may damage the coatings from other brands. Never ever soak your elements in the chemicals for any longer than 3 minutes. Cemented lens groups should never be soaked as well. Simply moisten a piece of cotton and then wipe the lens with that.