In many ways, camera lenses can help define not just the quality ... but have different internal components that did not undergo the same rigorous quality testing and safety standards.

In the video after the break he starts off investigating what components are in the camera. At first the lens is passing no light at all, but he just strips down parts until he can see through it.

For this, [Kevin] is keeping the number of custom mechanical parts to a minimum, with just two pieces. There’s a lens shroud that screws down to the current flange on the camera’s plastic ...