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Certain high definition tape formats, such as [[HDCAM]] allow frame rates other than 29.97. It is therefore possible, using PsF, to store "true" 24 frames per second progressive images without pulldown, which then play back at the original framerate. Thus the 24PsF and 23.976PsF (for compatibility with NTSC) formats were devised, which exist on tape as 48 (or 47.952) fields per second interlaced. When set up correctly, a progressive scan [[Display device|monitor]] will read these interlaced fields two at a time, and display each pair as a single progressive frame, temporally identical to the source. PsF content can also be played back on interlaced displays, but the image will [[Flicker (screen)|flicker]].
Not to mention that Trent Opaloch is quite a cool guy.
Sony's [[CineAlta]] series of cameras are capable of recording directly to 23.976PsF and 24PsF on HDCAM tape.
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