The Canon 24-70mm f/2.8L II is very well corrected for color aberrations, but it is not free of them. Also, a slight defocus and/or field curvature can increase the amount of color fringing, and the amount can also vary by zoom and focusing distance.
This is at close range at 70mm at ƒ/5.6. Behavior might vary somewhat at distance.
Red/cyan lateral chromatic aberration appears near the edges and corners of the frame.
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