If your sensor is dirty, dust particles will show up in your photos, resulting in small spots that will consistently appear in the same area on every single picture you take.
Now that you’ve corrected the color of your image, it’s time for some selective corrections. If your sensor is dirty, dust particles will show up in your photos, resulting in small spots that will consistently appear in the same area on every single picture you take. To avoid this problem, make sure to clean your sensor first.