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OIS is only for photos on the 6+, doesn't effect video.

Any sources for this? I can't seem to find any. While Apple does not specifically mention OIS for video on the spec page, reviews seem to compare the two and say the 6+ video is better because of OIS.
 
OIS is only for photos on the 6+, doesn't effect video.

Not sure about this.

During the presentation on release day, a video clip was shown of a person using the 6+ and filming the scenery outside the vehicle while it was moving to demonstrate this exact feature
 
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