The effect is most visible when viewing bright white or very light colored images.
What we have now is a light image, perspective and everything.
The dark and light images you saw earlier in this chapter reflect the state of Ethan's emotions.
Since the technique is used with a negative-to-positive process, reducing the amount of light results in a lighter image.
It was an antique of some sort that translated mental images into light images.
Actually it won't give us light images of heavenly bodies such as we see with an optical telescope.
The sixth returned a lighter image, but more puzzling, of a curving wall.
The light images have no further effect on you.
A light image can be amplified up to 5,000 times.
Visible light images with 30 km resolution (the best to date) taken using Hubble in 2003 and 2004.