Also, if mixture of red and blue light is viewed (by viewing white light through a dichroic filter), the point of foveal focus will have a central red spot surrounded by a few red fringes.
Ademais, se se observa unha mestura de luz vermella e azul (ao ver luz branca a través dun filrtro dicroico), o punto do foco foveal terá unha mancha vermella central rodeada dalgúns bordos vermellos.