| opt. |
Schwellenwahrnehmung f (the threshold below which neither the cones nor the rods respond to a light stimulus); Sichtbarkeitsgrenze f (the threshold below which neither the cones nor the rods respond to a light stimulus); Sichtbarkeitsschwelle f (the threshold below which neither the cones nor the rods respond to a light stimulus); Unterschiedswahrnehmung f (the threshold below which neither the cones nor the rods respond to a light stimulus); Wahrnehmungsschwelle f (the threshold below which neither the cones nor the rods respond to a light stimulus) |
