I'm an amateur videographer, to say the least. Yet I've made it a point to get better at it. As a consequence of the boxes and boxes of mini DV memories I have stored, I've improved at my ability not just to capture a moment, but to not disturb the balance in the Force.
Cameras can have a psychological impact on their subjects. Trying to avert that change from taking place is a skill. It cannot be bought, it can only be taught through experience.
When an electron microscope "sees" something, it requires electrons to make the image. Therefore you can't see something without altering it in some way... or can you?
Stillness.