Every camera owner has their own list of things they wish their camera could do—features that seem easily achievable with a simple software update. Normally, that list dies quietly the moment a camera leaves the manufacturer's support cycle. Take the Nikon D3 as an example: unless you take matters into your own hands, nobody at Nikon is going to allocate resources to add new features to a flagship body from 2007. This is where I stumbled upon Marcus Low's firmware experimentation. He was kind