It’s amazing what you can learn about capabilities from a picture. Apparently German scientists during ww2 used the diameter of the Hiroshima explosion from the newspapers to calculate the mass of uranium involved.

The resolution is secret - and that matters a lot.

Why do citizens need to know detailed specs of IR optics systems installed on fighter jets? I can come up with reasons why this information should be kept out of adversaries hands: and handing this info out to citizens makes the latter impossible