Camera straps are not, on the face of it, the most exciting accessories in the world but they do inspire strong feelings on the part of many photographers. While most people stick with the strap that came in the box with their camera, for a lot of enthusiasts the quest for the 'perfect strap' is an ongoing diversion. DPReview editor Barney Britton recently picked up the Ona Lima strap for his camera. Find out if it makes practical sense.