Most suitable for normal photography. This screen will assure pinpoint focusing. The central split-image rangefinder is encircled by a microprism collar. Since the outer area has a matte surface, the screen can be used in the same way as the standard 1-1 and 1-3 screens. When a lens with a maximum speed of f/5.6 or slower is used, the prism darkens and focusing must be made on the matte area. The meter needle gives correct light readings.