The student detaches the lens from the DSLR.
text: To detach the lens, you have to look at the camera straight on.
text: So you turn the lens towards you, now on the right-hand side you'll see a button on the body of the camera.
text: Um not at the lens, but on the body of the camera on the right-hand side of the lens.
text: You see this button. If you press it you can twist the lens off.
text: Great.