A Colorbox presentation with zoom possibilities. After activating of the module all Colorbox presentations have this zoom effect. This could be an disadvantage.
On the left, the default image. On the right, the zoom effect 1.5 X on mouseover.
If you want to zoom in on mouseover, click, grab,... you do the settings in the options.js file. The zoom factor you can set here too.
I used the zoom factor 1.5X.