Canon EOS 7D Mark II (G) Instruction Manual page 365

3 Magnification Settings
1x (no magnification)
The image is not magnified. The magnified view will start with the
single-image display.
2x, 4x, 8x, 10x (magnify from center)
The magnified view starts at the image center at the selected
magnification.
Actual size (from selected point)
The recorded image's pixels will be displayed at approx. 100%. The
magnified view starts at the AF point that achieved focus. If the
photo is taken with manual focus, the magnified view starts at the
image center.
Same as last magnification (from center)
The magnification will be the same as the last time you exited the
magnified view with the <x> or <u> button. The magnified view
starts at the image center.
For images taken with [u+Tracking] or [FlexiZone - Single] (p.299) or with
[Distortion] set to [Enable] (p.182), the magnified view will start at the
image center even if [Actual size (from selected pt)] is set.
Under the [33] tab, when you select
[Magnificatn (apx)], you can set the
starting magnification and initial position
for the magnified view.
u Magnifying Images
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