Canon EOS RP Mirrorless Camera - Manual (Page 289)

289
Other Menu Functions
z k
Av 1/8-stop increments
M
You can set aperture values on a finer
scale when recording movies with an RF
lens.
Available in [
M
] shooting mode.
Select [Enable] to change the aperture
increment from 1/3 stop (or 1/2 stop) to 1/8
stop.
o [
k
Av 1/8-stop incr.] is not available (not displayed) when EF or EF-S lenses
are used.
o When set to [Enable] , setting options in [
8
C.Fn I-1: Exposure level
increments] are disabled and have no effect.