Zoom lensA zoom lens that activates over an image can appear like so:
This can be activated like so:
Go to the Admin Panel > Image gallery (any one) > Advanced
Go to Advanced Layout Options
- Check either:
Check Zoom Lens Options > Turn on zoom lens: Yes
Click Save Changes at the bottom
For the zoom lens to work well, it's important for the originally uploaded image to be large enough -- around 2500 pixels in the longest direction usually works well.