Comparable with Sony G 70, NEC XG 110LC. It is a liquid-coupled projector with color-corrected and color-filtered magnesium fluoride special optics. The projector is described as having seven inch tubes, but these have the same diameter and length as the NEC tubes of the XG 110, which is considered to be an 8 inch projector. The projector itself looks like new. Screen diagonal 70 to 300 Resolution 1000 Tv lines 1600x1200 RGB Brightness 160 Ansi Lumen Auto-Scan Range Horizontal 15 - 103 kHz Vertical 40 - 150 Hz Bandwidth 80 MHz/-3dB Memory slots 30. Optics color corrected F1.1 hybrid lenses, optically coupled elements, dichroic coating on the green and blue optics. CRTs(tubes) 7 liquid cooled tubes, and with electromagnetic focus; 6 phosphor layer; impregnated cathode inputs