Authored by: Support.com Tech Pro Team
Finding out what is causing dark spots on your photos may be a bit tricky. It depends on whether they show up in multiple photos in the same place or it's something temporary.
If it's just dirt on the camera lens, you can use a lens cleaning kit to remove any dirt settled on it.
If it's dirt on the image sensor inside the camera, first, you can look into whether your camera has an image sensor cleaning feature and try it out.
Otherwise, you may use an image sensor cleaning kit to clean the image sensor yourself, however it's a meticulous and sensitive task and it's recommended to contact the manufacturer or seller if the device is still in warranty, or for cameras with interchangeable lenses, have a professional who is practiced in image sensor cleaning help you.
Getting dirt on the image sensor is a common problem for cameras with interchangeable lenses. However there are a few things you can do avoid this: