SolaTube skylight, free light for dark areas

Finally got around to installing this solatube, it has been sitting in our garage for two years. Since this is a roof project, we used a installer familiar with doing this. We keep wanting to turn the lights off in our hallway/stairway, as the light is so bright.

Before:


And after ( this time the images were both taken with manual exposure, same settings, same time, around 1 pm) :


I'm told this Solatube puts out the equivalent of 300 watts, most likely during the midday hours. It puts out light as soon as the sun rises.