I have never used Magic Lantern but I probably should try it out. I don't do a whole lot of photography but I have a older cannon DSLR sitting around that should work just fine for this. Archive: https://archive.today/pxU8F From the post: >>Magic Lantern, the beloved suite of software enhancements for Canon cameras, has returned with a new group of developers hard at work on improved software. Started in 2009 by Trammell Hudson and later chiefly developed by developer a1ex, Magic Lantern is free, open-source firmware enhancement software designed for specific Canon DSLR cameras that adds new filmmaking and still photography features. The original release was for the Canon EOS 5D Mark II, a legendary DSLR that transformed DSLR video creation and helped pave the way for the excellent hybrid mirrorless cameras of today.