Ref:
RF 24-70mm f/2.8 L USM IS: https://www.canon.com.au/camera-lenses/r...-8l-is-usm
RF 15-35mm f/2.8 L USM IS: https://www.canon.com.au/camera-lenses/r...-8l-is-usm
RF 15-35mm MTFs here:
https://cweb.canon.jp/eos/rf/lineup/rf15...ec-mtf.png
vs
EF 16-35mm L III:
https://cweb.canon.jp/ef/lineup/wide-zoo...ec/mtf.png
RF 24-70mm f/2.8 IS:
https://cweb.canon.jp/eos/rf/lineup/rf24...ec-mtf.png
vs
EF 24-70mm f/2.8 II
https://cweb.canon.jp/ef/lineup/standard...ec/mtf.png
Not too much of a difference between those.
RF 24-70mm f/2.8 L USM IS: https://www.canon.com.au/camera-lenses/r...-8l-is-usm
RF 15-35mm f/2.8 L USM IS: https://www.canon.com.au/camera-lenses/r...-8l-is-usm
RF 15-35mm MTFs here:
https://cweb.canon.jp/eos/rf/lineup/rf15...ec-mtf.png
vs
EF 16-35mm L III:
https://cweb.canon.jp/ef/lineup/wide-zoo...ec/mtf.png
RF 24-70mm f/2.8 IS:
https://cweb.canon.jp/eos/rf/lineup/rf24...ec-mtf.png
vs
EF 24-70mm f/2.8 II
https://cweb.canon.jp/ef/lineup/standard...ec/mtf.png
Not too much of a difference between those.
Chief Editor - opticallimits.com
Doing all things Canon, MFT, Sony and Fuji
Doing all things Canon, MFT, Sony and Fuji