Metered eye-level prism made for the Bronica ETR series of cameras by Zenza Bronica. Has aperture-priority TTL automatic exposure control as well as full area average metering and spot metering. Has a ±2 stop exposure compensation dial as well as a constant exposure compensation switch (0, +0.3EV, +0,6EV). Has a variable diopter eyepiece from -2.5 to +0.5.