Canon EOS REBEL T7i Instruction Manual page 175

3 Correction of Lens Aberrations due to Optical CharacteristicsN
Chromatic Aberration Correction
Distortion Correction
Select [Chromatic aberr corr].
1
Select [Enable].
2
Check that [Correction data

available] is displayed for the
attached lens.
Select [Enable], then press <0>.

Take the picture.
3
The image will be recorded with the

chromatic aberration corrected.
Select [Distortion correction].
1
Select [Enable].
2
Check that [Correction data

available] is displayed for the
attached lens.
Select [Enable], then press <0>.

Take the picture.
3
The image will be recorded with the

distortion corrected.
175