Sony PCM-A10 High-Resolution Audio Recorder - Manual (Page 163)

Help Guide
Interchangeable Lens Digital Camera
ILCE-7RM5 α7RV
AF Transition Speed
Sets the focusing speed when the target of the auto focus is switched during movie shooting.
Menu item details
7 (Fast)/6/5/4/3/2/1 (Slow):
Select a faster value to focus on the subject more quickly.
Select a slower value to focus on the subject more smoothly.
Hint
You can use the touch focus function to intentionally transition the AF.
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MENU → (Focus) → [AF/MF] → [AF Transition Speed] → desired setting. 1
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