A person is looking at a long blowed up yellow balloon in a dark room
A man is filming himself holding a baloon while he describes what sort of lens he is using.
A man shows off a balloon while describing the lens type he is using.
A long hotdog shaped balloon  is shown to illustrate the distortion effects of a wide angle lens.
A person is talking as he shows a balloon to a camera lens.
A man is holding a balloon in his hands while bending it a little bit.
A pair of hands is holding up a long yellow balloon.
A person is describing the types of lens that he is using to capture the image of a balloon.
A guy is explaining the features of a particular yellow balloon.
A person was holding a conical long balloon in their hand while talking about it