optical image stabilization

Apple's product page only mentions Auto Image Stabilization. I attempted to take a few pictures while simulating hand tremors with the phone. The stabilization isn't as effective as that of the rear camera. Is this to be expected? Could it be due to the size of the front camera and the range of...

I posted this in the wrong forum section. My iPhones camera app portrait mode is not optically stabilised (the viewfinder is much shakier than the regular Photo and Video modes - resulting in blurry photos). The optical image stabilisation does work in Photo and Video modes so this isn’t a...