Archived posting to the Leica Users Group, 2001/04/17

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Subject: RE: [Leica] RE: Was Medium format camera (now pit-bull arena)
From: Marc James Small <msmall@roanoke.infi.net>
Date: Tue, 17 Apr 2001 19:32:43 -0400
References: <4.1.20010417143954.01f75d60@xsj02.sjs.agilent.com>

At 07:08 PM 4/17/2001 -0400, Austin Franklin wrote:
>Which Leica M lenses have lenses with shutters?
>
>I'd be curious if you happen to have the acceleration curves and/or the
>open/close times for any leaf shutters?  That would certainly substantiate
>or refute the claim that it doesn't matter.  My understanding that this
>phenomenon does matter is apparently standard knowledge, and has been
>discussed extensively on the Rollei and LF lists.

Austin

ALL mechanical shutters haver errors.  It goes with the turf.  But the
errors in mechanical shutters, or, at least, the better ones, are within
the permissible window the film will allow.  If your shutter is off 1/6
stop, it doesn't matter, so long as the film will allow a 1/3 stop window.

Marc


msmall@roanoke.infi.net  FAX:  +540/343-7315
Cha robh bas fir gun ghras fir!

In reply to: Message from Jim Brick <jim_brick@agilent.com> ([Leica] RE: Was Medium format camera (now pit-bull arena))