Sony a7CR Help Manual page 194

While using the focus magnifier function, you can move the magnified area by dragging it on the touch panel.
To exit the focus magnifier function, double-tap the monitor again. When [AF in Focus Mag.] is set to [Off], the focus magnifier
function is ended by pressing the shutter button halfway down.
You can set whether to exit or continue the magnified display after shooting by pressing the Fn (Function) button while the
magnified image is displayed. This function is available when shooting with the following settings:
Focus mode: [Single-shot AF], [DMF] or [Manual Focus]
Drive mode: [Single Shooting] or [Cont. Shooting]
[AF in Focus Mag.]: [On]
[ Auto Review]: [Off]
Related Topic
Auto Magnifier in MF
Focus Magnif. Time (still image/movie)
Initial Focus Mag. (still image)
Initial Focus Mag. (movie)
AF in Focus Mag.
Touch Operation
Touch Panel Settings
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