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Figure!17!shows!the!MTF!curves!for!the!telep hoto!end!of!all!three!zo om !lenses.!
1. 10!Lp/mm!Sagittal!is!slightly!higher!than!both!EF!lenses!at!the!far!corners!of!the!image!
!
2. 10!Lp/mm!Meridional!is!essentially!equivalent!to!that!of!the!EF24-70mm!f/2.8L!II!USM!but!is!
higher!than!that!of!EF24-70mm!f/4L!IS!USM!
!
3. 30!Lp/mm!Sagittal!is!higher!than!bo th !E F !len s e s!a t!th e !2 2 !mm!height!
!
4. 30!Lp/mm!Meridional!is!essentially!equivalent!to!that!of!the!EF24-70mm!f/2.8L!II!USM!out!
to!15mm !heigh t!—!but!is!higher!at!the!22mm!extremity!
!
5. !30!Lp/mm!Meridional!is!higher!than!that!of!the!EF24-70mm!f/4L!IS!U SM!out!to!15mm!away!
from!imag e!ce nte r! —!and!is!significantly!!higher!at!the!22mm!extremity!
!
Figure&17!!!!!$$Comparative$MTF$Behavior$of$RF28-70mm$F2$L$USM$versus$equivalent$EF$zoom$lenses$at$
the$telephoto$en d$o f$their$resp ective $zoo m $ran ges$$$
18!
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