The olympus cbg 12 blk is a professional camera backpack designed to hold 2 x e m1 mark iis with hld 9 plus 12 40mm pro 40 150mm pro 7 14mm pro and 300mm pro lenses its equipped with 2 rain covers as well as a groundsheet to prevent the bag from getting dirty or damp an integrated shoulder strap chest strap and a waist belt minimise the load on your body when carrying for extended periods