True to the Olympus OM system philosophy, the E.Zuiko Auto-T 100mm f/2.8 is exceptionally small and lightweight. It provides a powerful 100mm focal length in a body barely larger than a standard 50mm lens, offering incredible portability for a telephoto prime. The 100mm focal length offers a natural perspective with flattering facial compression, making it a favorite for portrait photography. It allows for a comfortable working distance while producing a pleasing background separation that highlights the subject. The "E.Zuiko" designation indicates a sophisticated 5-element optical construction. This lens is engineered to deliver high contrast and sharp resolution, effectively correcting chromatic aberrations to ensure clear, high-fidelity images across the frame. The fast f/2.8 apertu.