It's not just cameras. What good is an 8K video taken on a rover but it can upload at 200 bits/sec?
The entire stack has improved. I suspect everything from radiation hardening, semiconductor manufacturing, CCD reliability and costs, image processors, colorometry, radio transmission, relay tech and orbiters, and not to mention the importance of great PR.
The entire stack has improved. I suspect everything from radiation hardening, semiconductor manufacturing, CCD reliability and costs, image processors, colorometry, radio transmission, relay tech and orbiters, and not to mention the importance of great PR.