Yes, it is one of the latest features available iOS 7. In addition, Apple has also added the ability to take photos while the user is recording video. This can be done by touching the white box when recording video, as shown below.
If we take a further, this actually is not new in the world of smartphones. Feature even snapped pictures while recording video has been popularized long ago by HTC through a number of their flagship.
As quoted from Gizmodo, Saturday (06/15/2013), iOS7 unfortunately only able to do this zoom as much as 2 to 3 times, depending on the device used later.
IOS beta 7 has been sampled by some iPhone and iPad users type specific. While the final version of the new operating system will be released in the next few months.
