Archived posting to the Leica Users Group, 1997/10/16

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Subject: Re: R: decisive problems
From: Krzysztof Szecowka <szecowka@ch.wssk.wroc.pl>
Date: Thu, 16 Oct 1997 13:04:37 +0100

I have found the right answer. I just bought mint Rolleiflex T (just for
the cost of Leica Summicron 50/2). Perfect lens (Schneider-Kreuznach
Xenar 75/3.5 - according to MJ Small the same performer as Oberkochen
Tessar) , no mirror vibrations and the whole history behind.
Kari Eloranta wrote:

> > From: Eric Welch <ewelch@ponyexpress.net>
> >
> > >How to use it without the mirror bounce??? Easy hand held.  It has
> a
> > >lever for MLU.  When this lever is push to MLU, the first touch on
> the
> >
> > Cool. But how does it work for decisive moment photos? ;-)
>
> You need to prefocus and keep your eyes open (no irony :)). Even
> better, use external finder in the flash shoe to be better aware of
> framing.
>
> One thing that R-zealots (not you Eric, but others with their
> lengthy tirades) seem to miss is that with an SLR one doesn't know
> whether your subject e.g. blinked his eyes while the finder blacked
> out
> during the exposure. Decisive moment is pretty close to the essence
> of Leica isn't it?
>
> Also some R8 users seem to make a claim that the mirror vibration is a
>
> problem of the past and other brands. This is pure baloney. The mirror
>
> weights, it has to swing out of the way, quickly unless you are
> willing to
> have a long blackout. The faster it swings out the more angular
> momentum
> it's collison to the cushioning transfers to the body. The cushion
> does
> not make this impact vanish in thin air! It is transfered to the
> entire
> body and lens and finally to the hands or tripod.
>
> If you lengthen the time between mirror clearing and shutter opening
> it's
> longer blackout. If you shorten it there is more undampened vibration
> left byt hthe time the first curtain swings. It is a no-win situation
> for
> a SLR designer. R8 is no different. M has a distinct advantage that
> converts to a couple of stops of light.
>
> For anyone who wants to be convinced: Get a small laser pointing pen,
> put
> your SLR on a tripod, turn the lights off. Reflect the red laser dot
> from
> the glass to the wall. Trip the shutter and watch the walz.
>
> Other than that I think Danny summed up the last few days pretty well.
>
> Kari