The student attaches the lens to the DSLR.
text: To attach the lens you are gonna have to press on the button
text: You will hear a click once it's locked into place.
text: You don't have to press the button anymore.
text: uhm
text: I don't think it's locked.
text: You can perhaps change turn it clockwise, this might lock it.
text: Ok
text: Yeah.
text: Great.