Sony A7RIII ILCE-7RM3A Operating Instructions Manual page 605

Help Guide
Interchangeable Lens Digital Camera
ILCE-7RM3A
α7RIII
Zoom Setting
You can select the zoom setting of the product.
MENU → (Camera Settings2) → [Zoom Setting] → desired setting.
1
Menu item details
Optical zoom only:
Limits the zoom range to the optical zoom. You can use the Smart Zoom function if you set [
[M] or [S].
On:ClearImage Zoom:
Select this setting to use Clear Image Zoom. Even if the zoom range exceeds the optical zoom, the product magnifies
images within the range in which image quality does not deteriorate significantly.
On:Digital Zoom:
When the zoom range of the Clear Image Zoom is exceeded, the product magnifies images to the largest scale.
However, the image quality will deteriorate.
Note
Set [Optical zoom only] if you want to magnify images within the range in which image quality does not deteriorate.
Related Topic
The zoom features available with this product
About zoom scale
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