Comments on: Movies of Television Show Provide Permanent Record (Mar, 1948)

By: 7 5/8 LO

7 5/8 LO — Sat, 08 Mar 2008 22:50:28 +0000

You’d think this was as simple as parking a movie camera in front of a TV screen, but it actually had to wait for picture tube technology to make a bright enough image to film well at high speed.

Before 1948 we have less than 10 minutes of off-screen film, all of that shot at 16fps silent speed.

By: cks2008

cks2008 — Fri, 11 Jan 2008 20:19:33 +0000

The camera is adjusted to film at 30fps.

By: jayessell

jayessell — Tue, 08 Jan 2008 17:30:59 +0000

After focusing and framing I’d expect a lightproof enclosure between the CRT and camera lens.

No mention of flicker abatement.
Film = 24 frames per second.
Video = 30 fields per second.
Any synchronization between the CRT and camera?

Some of the “Your Show of Shows” I’ve seen on PBS look great!