3D effect on old videofilmings

[old_tv_nut]

Regarding depth of field, I can testify from personal experience with the early HD cameras that accurate focus on a 7 inch viewfinder was nearly impossible. Sony made a great invention in focus peaking for the viewfinder, which makes the high frequencies light up brightly when the amplitude is maximum.

Cinematographers, however, still wanted less depth of field, as they were used to working with precisely calibrated lenses for which the focus could be set by actually measuring the distance with a tape measure and then dialing that in on the lens. An entirely different process from producing live video.