Designed for both on-the-go and in the studio, the Zacuto Gratical HD Micro-OLED Electronic Viewfinder (EVF) provides filmmakers with a bright, crystal clear view. It features a 5.4 million pixel micro-OLED display, high quality precision optics with a built in -1 to +4 diopter, a powerful FPGA dual-core processor and HD-SDI input and output and a HDMI input and output with weather-resistant covers. Mounting options include both a 1/4" 20 screw hole and a ¼ 20 rosette on the side.