On the show floor at IBC 2023, tech company LC-Tec is showcasing an interesting concept for a 4×5.65” electronic variable ND filter, exploiting their PolarView-eND technology. The Swedish manufacturer is currently looking for a partner who can help them bring this innovative filter system to the market. You may not know LC-Tec, but you’ve probably used their products on set at least once. Indeed, leveraging 25+ years of experience in manufacturing liquid crystal displays and precision optics, they are the company behind one of the most praised in-camera e-ND filter systems (2-7 stops) in our industry. And while they can’t disclose the name of the camera manufacturer, I’m fairly confident we both guessed it correctly! Now, the company is trying to apply the same ground-breaking technology to larger 4×5.65” matte box filters. At IBC 2023, we had the chance to talk to Jesper Osterman from LC-Tec to check on the status of this development. LC-Tec 4×5.65” Electronic Variable ND Filter at its minimum intensity (1.5 stops). Image credit: CineD LC-Tec’s concept for a 4×5.65” electronic ND filter Electronic ND filter systems based on liquid crystal technology have been “a thing” for quite a few years now. We have seen this solution placed in front of the image sensor of popular Sony camera models, starting with the FS5 and continuing on to some of the most recent Cinema Line Cameras, such as the FX6 or the newly-introduced BURANO. Traditional Vari-ND filters are based on two rotating polarizing filters. On the other...
Published By: CineD - Monday, 18 September, 2023