Ditto for me... I didn't even see that was a new feature. I have the same model as you, SD49225T-HN.
It's working great - Zooms in from 1.0 to 25x in these increments, generally: 1.0, 1.7, 2.8, 4.7, 7.9, 13.4, 22.7, 25
If starting out at a different zoom level it generally increments in the...