How do I change default applications when I plug in hardware?

I have a camera and the default application that opens is photoshop. Whenever I plug in the camera to my PC photoshop opens. When I first connected it I checked the box to ';always do this'; but now I wanna change it. How do I do that?How do I change default applications when I plug in hardware?
go to my computer, right click on the camera and go to the properties.