Digital film products mainly include combination mirror product series and UV filter series. They have good color reproduction and long service life. They can be applied to various types of digital film projectors. Digital cinema projector mirror products: 　　Barco series: 20C, 23B, 10SX, 32B 　　Christie series: CP2210\CP2220, CP2230　　NEC series: NC1600C, NC2000C　　SONY series: SONYR320 digital projection filter ：　　Barco, Christie, NEC, sony digital cinema projector system UV filter 　　Digital cinema projection window and observation window: 　　The cinema optical window is a high-quality optical film product developed by Huibo Optical according to the cinema standard, and the substrate is imported optical glass , Multi-layer AR hard film technology, the visible light transmittance is greater than 99%, under the same screen brightness, reduce the power of the light source and improve the efficiency of the light source. Now has launched the IMAX theater dedicated large-size multi-layer hard film series, and has passed the certification of the Film Research Institute of the State Administration of Radio, Film and Television. Main products: digital cinema movie projection windows, observation windows, IMAX cinema projection windows, projector room windows, etc.