Zoom Performance: How Far Can Our Cameras See?

'How far can your cameras see?' is a request we receive daily. The problem with this question is that it requires more information in order to provide a useful answer. To help explain, here is the 'technically correct' (but not very helpful) answer to how far our cameras can see: Over 150 million kilometers. This is because cameras are a passive detector of light, which means the ability to see an object depends on light from that object reaching the camera, not the camera reaching the light.