The movement of {HEAD ~ the pixel elements} by mechanical dithering spreads {TAIL ~ light} from the incident image among neighboring pixels of the image sensor and therefore performs the same function as a birefringent filter to prevent aliasing in an electronic camera 
The movement of { HEAD ~ the pixel elements } by mechanical dithering spreads { TAIL ~ light } from the incident image among neighboring pixels of the image sensor and therefore performs the same function as a birefringent filter to prevent aliasing in an electronic camera
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH