The phrase "zoom option" refers to the ability to make something appear bigger or smaller on a screen, like when you use a magnifying glass to see small details more clearly.
Sentences with «zoom option»
Both were taken with the 2x optical zoom option on each phone. (digitaltrends.com)
You'll find the same 2x zoom option on the camera, but this is the inferior digital zoom. (digitaltrends.com)
It could be enlarged or have a better zoom option. (toucharcade.com)