Jul 17, 2026 · 20 min · 12 segments
Send us Fan Mail 🧹 Your camera gear is dirty. And dirty gear is quietly affecting your photos in ways you might not even notice — a smudge on the…
So dirty gear, ruined photos, the same dark mark turning up on every sky you shoot.
Let's go through exactly what to clean, how to clean it, and what to leave well alone.
And what I mean by that is no matter what lens you're using, that speck of dust will still be there spoiling every photo.
A speck of dust on it shows up as a dark mark in the same spot on every photo until you deal with it.
So how do we get dust on sensors? Well, most sensor dust gets in when you change lenses.
Protect the camera with your body, and do it somewhere sheltered, not in a gale on a clifftop, and not in a dusty room if you can avoid it.
But if you do get dust in there, check your camera menu first, 'cause most modern cameras have got a built-in sensor cleaning function, which is surprisingly good.
A hurricane blower blows a fine jet of air, which you can use to, well, not blast, but to blow the dust off your sensor.
So what you do, turn the camera upside down, take the lens off, get the hurricane blower, and do loads of squirts of air onto the camera sensor.
When I say take a photo, take a photo of a piece of white paper, 'cause that'll show the dust nicely.
So dirty gear, ruined photos, the same dark mark turning up on every sky you shoot.
Let's go through exactly what to clean, how to clean it, and what to leave well alone.
And what I mean by that is no matter what lens you're using, that speck of dust will still be there spoiling every photo.
A speck of dust on it shows up as a dark mark in the same spot on every photo until you deal with it.
So how do we get dust on sensors? Well, most sensor dust gets in when you change lenses.
Protect the camera with your body, and do it somewhere sheltered, not in a gale on a clifftop, and not in a dusty room if you can avoid it.
But if you do get dust in there, check your camera menu first, 'cause most modern cameras have got a built-in sensor cleaning function, which is surprisingly good.
A hurricane blower blows a fine jet of air, which you can use to, well, not blast, but to blow the dust off your sensor.
So what you do, turn the camera upside down, take the lens off, get the hurricane blower, and do loads of squirts of air onto the camera sensor.
When I say take a photo, take a photo of a piece of white paper, 'cause that'll show the dust nicely.
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