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 54 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 14 20 screw hole and a 20 rosette on the side