Just the MTF Charts: 70-200mm f/4 Zoom Lenses

I had the 2.8 and sold it for the f/4 ii and can confirm, the sharpness is unreal. As I do landscapes primarily and have the 135/2 for portraits, the weight savings and improved IQ makes the f/4 a must have over the 2.8 for long hikes and landscape shots! The $ savings is nice too (y)