Panasonic Patents Optical Viewfinder for Mirrorless Cameras that Could Communicate with Your Lens
Panasonic might have found the last piece of the puzzle keeping many DSLR users from switching over to mirrorless cameras.
The above image is taken from a patent that diagrams the basics behind adding an optical viewfinder to mirrorless cameras. Even more interesting, the viewfinder would be able to change focal length when synced with any Micro Four Thirds lens.