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Figure!29!shows!the!MTF!curves!for!the!new!RF24-105mm!F4!L!IS!USM!on!the!left!compared!w ith!those!
of!two!established!EF!zoom !lenses!—!for!the!wid e!en d !of!the ir!respe ctive !zoo m !ran ges.!!Of!special!note!
are!the!following:!
1. 10!Lp/mm!Sagittal!for!RF24-105!F4!L!IS!USM!is!slightly!lower!across!the!image!height!than!that!of!
the!EF24-105mm!f/4L!IS!II!USM!except!at!maximum!image!height!
!
2. 10!Lp/mm!Meridional!exhibits!a!lower!MTF!from!image!center!to!a!height!of!15mm !th an !bo th!EF !
lenses!—!and!it!approximates!the!performance!of!EF24-105mm!f/3.5-5.6!IS!STM!at!the!image!
extremity!
!
3. 30!Lp/mm!Sagittal!behavior!is!slightly!higher!at!an!image!height!of!15mm!than!both!EF!lenses!!
!
4. 30!Lp/mm!Sagittal!!!is!slightly!higher!than!both!EF!lenses!out!to!15mm!height!!
!
5. 30!Lp/mm!Meridional!curve!for!RF24-105mm!F4!L!IS!USM!is!very!similar!to!both!EF!lenses!out!to!
15mm!image!height!!!!an d!at!image!extremity!is!higher!than!EF24-105mm!f/3.5-5.6!IS!STM!and!
slightly!lower!than!EF24-105mm!f/4L!IS!II!USM!!
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Figure&29! Comparative$MTF$behavior$of$RF24-105mm$F4$L$IS$USM$versus$equivalent$EF$zoom$
lenses$a t$th e $w id e $a n g le$s et tin g$
26!