The Olympus OM Film Lens Adapter (PEN Digital Camera Bodies) helps in using Olympus OM lenses on any Micro Four Thirds Digital Camera body. It comes as a compact size and light weight that is easy to carry and highly useful. The adapter helps in attaching the brilliant 8mm f/2.8 fisheye to the tack-sharp 200mm f/4 telephoto lenses to the micro four thirds systems. Using this adapter, manual or aperture priority exposure is recommended for photo applications. Moreover, focusing using the camera LCD or viewfinder is suggested as the distance scales of OM lenses may not be precise when used with non-OM cameras.