Archived posting to the Leica Users Group, 2003/04/17

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Subject: [Leica] forward into the past (bulb sync)
From: Rei Shinozuka <shino@panix.com>
Date: Thu, 17 Apr 2003 07:11:45 -0400

it occurred to me upon acquiring an M3, that the idea behind the M sync
was that it triggers when the first curtain starts to open as opposed to X
sync which is triggered when the first curtain is completely open and before 
the second starts to close.  this permits the (relatively) long-burning 
flashbulb to provide illumination as the slit is traversing the frame.

isn't that exactly the idea behind the new high-sync electronic flashes; to
provide quasi-continuous output for an interval of 1/50th second, and 
therefore would one be compatible with M-sync machines (like the M3?)

- -rei

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Rei Shinozuka shino@panix.com
Ridgewood, New Jersey

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