Olympus E-1 Digital SLR System The new 4/3 type image sensor is designed to achieve the optimal balance between image quality, camera size and system expandability. This state-of-the-art 5.08 megapixel CCD delivers groundbreaking edge-to-ege sharpness. The E-1 is an uncompromising realization of the full benefits of pure digital technology with body and lenses designed to perfectly match the image sensor.