Prefocus vs Refocus - What's the difference?

As verbs the difference between prefocus and refocus

is that prefocus is to focus in advance while refocus is to focus on something else.

is describing a lamp whose light source is positioned to be in focus when fitted (especially in a motor car).

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Describing a lamp whose light source is positioned to be in focus when fitted (especially in a motor car)

To focus in advance

to focus on something else

to change the focus of

to refocus a microscope

to change one's priorities

to come back into focus

* 1954 , William Golding, Lord of the Flies

Presently the white, broken stumps, the split sticks and the tangle of the thicket refocused .

The spellings refocusses, refocussing, refocussed are more common in Britain than the US.