How long does it take for eyes to attain 80% dark adaptation?
Preparing your eyes to see in the dark Cones attain maximum sensitivity in five to seven minutes while rods require thirty to forty-five minutes or more of absolute darkness to attain 80% dark adaptation. Total dark adaptation can take many hours.
Preparing your eyes to see in the dark Cones attain maximum sensitivity in five to seven minutes while rods require thirty to forty-five minutes or more of absolute darkness to attain 80% dark adaptation. Total dark adaptation can take many hours.
