The NEX-5N's 60i is TRUE INTERLACED, not progressive segmented frame

Started Dec 6, 2011 | Discussions thread
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feijai
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The NEX-5N's 60i is TRUE INTERLACED, not progressive segmented frame
Dec 6, 2011

I've been talking to and sending some 60i clips to the makers of ClipWrap, who are experts on this topic. And I am sad to report that, contrary to my and others' belief here, the NEX-5N records 60i in true interlaced video, NOT progressive segmented frame.

I cannot say if the NEX-3 and NEX-5 are recording 60i in PSF or true interlaced. It's possible that they're doing PSF if their older sensors only run at 30Hz. But the 5N is running at 60Hz (hence the ability to do 60p). Our running theory to explain the 5N (and probably C3) being true interlaced is that Sony decided to record at 60Hz and interlace the frames when it did 60i, rather than throw away every other frame and do PSF.

If so, that really sucks. It means that if you want to shoot progressive 30fps on the NEX-5N, your only option is to shoot 60p and downsample. And furthermore you have to go through the rigamarole of loading the 60p movies into FCPX, which doesn't recognize them out of the camera right now.

So to repeat: The NEX-5N's 60i is interlaced. It is NOT progressive segmented frame. That is all.

Sony Alpha NEX-3 Sony Alpha NEX-5 Sony Alpha NEX-5N
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