Usually color correction happens in post-production, where optics are developed pre-production. Definitely, poorly designed lenses will have color casting and f

Usually color correction happens in post-production, where optics are developed pre-production. Definitely, poorly designed lenses will have color casting and fringing issues, but color correction is largely about balancing colors across various lighting conditions / sources. (Think Daylight vs. Warm bulbs. Now think about how many lights are in a football stadium.)