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Posted by Gene E. Bloch on 04/17/06 22:43
On 4/16/2006, Karyudo posted this:
> On Sat, 15 Apr 2006 12:16:24 -0400, "~P~" <bmxtrix2005@cox.net> wrote:
>
>> A film camera shoots 24 frames per second, but, it
>> doesn't have a shutter speed of 1/1000th of a second - or 1/24th of a
>> second. It shoots somewhere between. Likely about 1/20th of a second or
>> so.
>
> You do realize 1/20th of a second is slower than both 1/24th of a
> second and 1/1000th of a second, so it's impossible for 1/20th to be
> "somewhere between"1/24th of a second and 1/1000th of a second?
>
> I don't think there's any technical reason why a film camera couldn't
> shoot at 1/1000th of a second shutter speed. Other than the pulldown,
> I also don't think a shutter speed quite near 1/24th of a second is
> too difficult, either. Pretty sure a shutter speed of 1/20th of a
> second *is* impossible -- since the film would be pulled down after
> only 1/24th of a second.
Consider the possibility of a typographical error...
~P~ might easily have meant 1/120 or 1/200, althought I think 1/48 is
more like what most cameras did, back in the day.
Gino
--
Gene E. Bloch (Gino)
letters617blochg3251
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