[ale] OT: Office lighting

Glenn C. Lasher Jr. glasher at nycap.rr.com
Wed May 1 09:12:53 EDT 2002


On Tue, 30 Apr 2002, Michael H. Warfield wrote:

> 	If 120 Hz hurts (sorry, cheap pun) your eyes you've got bigger
> problems.  Frame rate on a standard NTSC television is very slightly less
> than 30 (29.97) Frames per second (Field rate, at 2 fields per frame, is
> slightly less than 60 (59.97) FIELDS per second).  Movie house movies,
> OTOH, would REALLY kill you at 24 frames per second (and no field / frame
> interlacing - you get 24 pics per second period).

Minor correction:  The strobe in the projector (they're not using shutters
much anymore) goes off three times per second before the film is advanced,
giving 72Hz.

glasher at nycap.rr.com
You've been programmed by the Illuminati not to see the word "".


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