The student detaches the lens.
text: Oh, got it.
text: You should try your hands is in the frame as much you can.
text: Yeah, thats good?
text: No, detach the lens, lens should be the whole part, it's not the cover, no.
text: Oh, take it back, um, put it back.
text: Yes.
text: The lens is a, there'is a button.
text: This one?
text: No, there's a button under the mark eos.
text: Mark eos.
text: To the back.
text: In the back.
text: Um do you see the red marker?
text: Which one?
text: Yes, this.
text: This one?
text: Yes, it has EOS on the right side.
text: Oh yeah.
text: Yeah.
text: Hold it that one and turn it the mark.
text: Yes, great.
text: Now, please attach.