What is the difference between optical zoom and digital zoom?

I saw on the camera that there were optical zoom and digital zoom. What's the difference between these two?

250 2018-11-05 Gentleman

Optical zoom is the zoom of a physical camera lens
Digital zoom refers to zooming in on an image as if it were a computer

Gentleman 7 years ago 0

A. 2

Zooming in with a lens is called optical zoom
If you zoom in on a picture on your computer with a magnifying glass button, the quality of the picture is broken and it's enlarged. This is digital zoom

Gentleman 7 years ago 0

A. 3

Thank you for the explanation^^

Gentleman 7 years ago 0

A. 4

The optical zoom doesn't degrade the image quality
Digital zoom is also characterized by poor image quality

Gentleman 7 years ago 0

A. 5

Thank you^^

Gentleman 7 years ago 0

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