How?
This person will shoot the first photo of this adventure. Then ship the lens to the first person in line the lens witha an additional $10 in the box with the lens. The $10 will cover shipping of the lens from the second person. The second person will then take the lens on adventures, shoot whatever their heart desires and can be kept for up to, but no longer than 7 days to keep it moving and interesting. At the end of their length, they will put the lens in a box, pay for shipping by use of the original $10 they recieved with the lens, and ship the lens plus an additional $10 in order to restart this cycle. This will continue in this manner until everyone has had their chance with the lens, then it can be shipped back to the original owner, or continue to be shipped around.