Nearly every photographer is familiar with Micro Four Thirds, but what about Four Thirds? Developed by Olympus and Eastman Kodak five years before Micro Four Thirds, this DSLR format was short-lived, supplanted by the mirrorless Micro Four Thirds cameras and lenses. Gordon Laing of Cameralabs has taken a look at a pioneering Four Thirds DSLR, the Olympus E-1, 23 years after its debut.
