LIGHT filters of coloured glass and gelatin are in common use for visual and photoelectric photometers. They are satisfactory, on the whole; but the glass filters are easily broken, and those of ...

The low-light photographic performance of smartphones could soon get a significant boost, thanks to the development of a new type of color filter. Created by an engineer at the University of Utah, the ...

Knight Optical is pleased to announce an increase in their range of stock colored longpass, shortpass and bandpass filters for immeidate globally delivery. Color glass filters are manufactured by ...