Aircraft and the Twin Towers

[Peter Lemkin]

Optical Image Stabilization (OIS):

Abbreviated as OIS, optical image stabilization is the apparatus, contained within a digital camera or other digital recording device, that compensates in real-time for shaking and vibrating while recording. Because OIS is a real-time compensation there is no alterations or image degradation to the image.

yes, but....that is a fairly new technology [post-911, I believe] and mostly applicable to still photography, rather than motion video....it can compensate for vibration, slight movements of camera and/or object, but not vertical or horizontal motion of where the camera is [as for example in a helicopter]. If this was used before release in the public domain, it would further point to military/intelligence assets using it - as they usually have such things a few years before its known or available in public. I think, however, if real, this was filmed from a non-moving platform - or one moving level toward or away from the optical target [i.e. again having some foreknowledge]. Images can also be somewhat 'stabilized' after the fact now using digital processing...but again the same caveats apply as that done in a device.