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non/optically generated

“Optically generated” refers to an effect created by the physical optics of the camera or device (that is, its lens or lenses).

“Non-optically generated” refers to visual effects that were not generated by the physical optics of the camera or device.

Although it could refer to darkroom-generated effects, in the 21st century “non-optically generated” usually describes effects determined either by software in the device / smartphone / camera, or later — on a computer — using software like Photoshop.

There are many situations in which photographs made with “optically generated” effects can qualify as TCQ—

while identical-looking photographs in which the effects were “non-optically generated” are disqualified from TCQ.

See the brief on def|pen for more.