How would you like to convert your Nikon FM2 to digital?
BY TIM BARRIBEAU ON Popphoto.com![](http://www.popphoto.com/files/imagecache/article_main_photo/_images/201212/1.gif)
It’s one of the holy grails of photography ? a practical, easy way to switch between digital and film for all the incredible analog 35mm cameras that are already in circulation. And while we don’t know if it’ll ever be produced, Nikon has recently patented a way of doing exactly that ? a replaceable digital back for 35mm film cameras.