Archived posting to the Leica Users Group, 1999/03/01

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Subject: [Leica] information
From: allan jay silver <silver@proaxis.com>
Date: Mon, 01 Mar 1999 22:29:18 -0800

Re: slow speeds with rangefinder vs. SLR cameras

	I suspect the reason images are sharperat slow speeds with the rangefinder
cameras is probably due ( provided everything else is equal) to the mirror
flip that occurs during exposure with the SLR.  I presume that if both
cameras were mounted on a rigid tripod and the mirror raised in the SLR
prior to exposure, the difference would be minimal.
	I have been an amateur photographer for about 66 years.  In my experience
rating sharpness amongst various lenses is often a function of the user.
Some heavy coffee drinkers can develop a slight almost imperceptible tremor
which can translate into a fuzzy picture at slow speeds.  In my years I
tended to try shooting my pictures at higher speeds when possible, unless I
needed a greater amount of depth of field, at which time a monopod could be
used for the slower resulting speed.  My wife never used film with speeds
slower than 400 asa in order to guarantee a faster shutter speed.
	After reading LUG for over a week, it would appear that perhaps it should
be divided into two sections: One for technical expertise exchange and the
other section for social and political comment.  In my years I have
dicovered that injecting politics and religion into any organization often
sows the seeds of its ultimate destruction.

Allan Jay Silver, MD