Photographers tend to collect camera bags.  It’s not all desire.  We buy more gear and reorganize our kits, and continue to look for the perfect bag to meet our needs.  Some bags find the back of the closet quickly, and some are designed so beautifully, they continue to meet our needs until things are falling off.  One bag, which I have owned for ten years, continues to wear well and regularly proves that it was well worth the money spent, the Billingham Hadley. I purchased this bag ten years ago.  It was probably my third or fourth camera bag since really getting into photography, and the others not only moved…