The student detaches the lens of the DSLR.
text: The lens is the bigger, uhh, thing that you have on the camera.
text: The lens is the objective of the camera.
text: You need to press the button on the right of the lens to be able to detach the lens.
text: Please press the button on the right of the lens.
text: It is situated on the camera not on the lens.
text: You were on the right side of the camera.
text: Please go back to that side.
text: Yes
text: Press the button and screw the lens to take it out.
text: Perfect.