Archived posting to the Leica Users Group, 2005/09/10

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Subject: [Leica] Weird: DMR and TTL works!
From: faneuil at gmail.com (Eric Korenman)
Date: Sat Sep 10 11:16:55 2005
References: <A594B875-5719-43B1-87C3-2A1CBCB30385@dodo.com.au> <20050910124515.90122.qmail@web86202.mail.ukl.yahoo.com> <82c9dd7050910075567907087@mail.gmail.com> <82c9dd7050910092356291279@mail.gmail.com> <001201c5b62f$96e11a20$0400a8c0@dalmylt>

Yup - I've been reading it on and off for weeks. Stopped at page 96 or so.
 Eric

 On 9/10/05, David W. Almy <dalmy@comcast.net> wrote: 
> 
> Jim,
> 
> If you haven't already, you should invest some time and read this thread,
> now 104 pages long!
> 
> http://www.fredmiranda.com/forum/topic/267995/0
> 
> Exposure issues are discussed, in addition to many others related to using
> the DMR.
> 
> David W. Almy
> Annapolis
> 
> ----- Original Message -----
> From: "Eric Korenman" <faneuil@gmail.com>
> To: "Leica Users Group" <lug@leica-users.org>
> Sent: Saturday, September 10, 2005 12:23 PM
> Subject: Re: [Leica] Weird: DMR and TTL works!
> 
> 
> Ok more TTL and DMR:
> Did a portrait shoot this AM of a friend's little boy. DMR performed well
> but I need to learn more my new digital existence.
> 1) The DMR and R8 tends to blow out highlights in outdoor scenes when 
> there
> a full range of direct sunshine and shadows. Found myself needing to
> compensate by -1 to -2 stops. Got to wean myself of negative film's wide
> latitude.
> 2) Flash in TTL mode worked nicely indoors where the flash was providing
> the majority of light.
> 3) Flash in TTL mode in the outdoors failed miserably. I think my camera
> got thrown into some weird mode - Everything was WAY overexposed. Even 
> after
> I disconnected the flash I was getting insanely overexposed results. 
> Turning
> the camera and DMR off, then back on seemed to fix it.
> 4) Camera 'crashed' once. Locked up. I had to remove and replace the
> battery. May have been the TTL thing. I am not sure.
> I have shot about 200 exposures since I got back home - without flash. The
> DMR seems to be working fine. More testing in a bright backyard makes me
> think that I need to underexpose most daylight scenes by -1 stops. In full
> daylight, and at zero exposure compensation the histograms show that the 
> DMR
> does tend to blow out highlights.
> BTW- I am using the full metering setting (the open rectangle).
> Eric
> 
> On 9/10/05, Eric Korenman <faneuil@gmail.com> wrote:
> >
> > There have been reports that TTL and the DMR simply does not work and
> > switching the flash to TTL results in an error code in the R8 display.
> > My R8 does not report an error code My R8 was just 'upgraded' by Leica 
> NJ.
> > Perhaps the coding in the R8 rom has changed?
> > Not sure.
> > Eric
> >
> > On 9/10/05, FRANK DERNIE <frank.dernie@btinternet.com> wrote:
> > >
> > > If I remember correctly the reason why TTL hasn't
> > > worked on digital cameras in the past is that the
> > > reflectivity of the surface of the low pass filter is
> > > very different from film, presumably varying in some
> > > non linear way that nobody has so far been able to
> > > adequately compensate for. Maybe now, without the low
> > > pass filter, the sensor surface is more like film or
> > > maybe, in the test pix in question, the error is
> > > negligible and under some other conditions the
> > > incorrect exposure may result.
> > > Frank
> > >
> > > --- Rick Dykstra < rdcb37@dodo.com.au> wrote:
> > >
> > > > Very interesting Eric. Lack off TTL flash control
> > > > with the DMR has
> > > > been a problem to my mind.
> > > >
> > > > I hope you can try it with longish lens on a subject
> > > > that will really
> > > > test the TTL.
> > > >
> > > > Rick.
> > > >
> > > > On 10/09/2005, at 1:03 PM, Jim Hemenway wrote:
> > > >
> > > > > Your "buyer's remorse" seems to be fading away.
> > > > >
> > > > > It took me much longer when I bought my house. :-)
> > > > >
> > > > > Jim
> > > > >
> > > > >
> > > > > Eric Korenman wrote:
> > > > >
> > > > >
> > > > >> As has been reported, I just assumed my DMR/R8
> > > > would not work in
> > > > >> TTL flash mode.
> > > > >> I was testing out my Metz 32mz-3 with my DMR this
> > > > evening (using
> > > > >> SCA 2052 adapter).
> > > > >> I have a portrait session tomorrow and I thought
> > > > I do some shots
> > > > >> with fill flash in "A" mode.
> > > > >> I flip the flash into TTL to see what error code
> > > > I would get..
> > > > >> And I got none!
> > > > >> Did some test shots (at night, indoors) and the
> > > > TTL feature
> > > > >> appears to work just fine.
> > > > >> Am I nuts? Am I missing something thing?
> > > > >> Adjusting the + / - dippy switches to effects
> > > > exposure appropriately.
> > > > >> I covered the flash's "eye" to see if I was in
> > > > some odd "A" mode
> > > > >> and the setup still worked.
> > > > >> The flash seems to be truly in TTL mode.
> > > > >> I will try it in AM daylight and report back.
> > > > >> Eric
> > > > >> _______________________________________________
> > > > >> Leica Users Group.
> > > > >> See http://leica-users.org/mailman/listinfo/lug
> > > > for more information
> > > > >>
> > > > >
> > > > >
> > > > > _______________________________________________
> > > > > Leica Users Group.
> > > > > See http://leica-users.org/mailman/listinfo/lug
> > > > for more information
> > > > >
> > > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > Leica Users Group.
> > > > See http://leica-users.org/mailman/listinfo/lug for
> > > > more information
> > > >
> > >
> > >
> > > _______________________________________________
> > > Leica Users Group.
> > > See http://leica-users.org/mailman/listinfo/lug for more information
> > >
> >
> >
> 
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
> 
> 
> 
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
>

Replies: Reply from rdcb37 at dodo.com.au (Rick Dykstra) ([Leica] Weird: DMR and TTL works!)
In reply to: Message from rdcb37 at dodo.com.au (Rick Dykstra) ([Leica] Weird: DMR and TTL works!)
Message from frank.dernie at btinternet.com (FRANK DERNIE) ([Leica] Weird: DMR and TTL works!)
Message from faneuil at gmail.com (Eric Korenman) ([Leica] Weird: DMR and TTL works!)
Message from faneuil at gmail.com (Eric Korenman) ([Leica] Weird: DMR and TTL works!)
Message from dalmy at comcast.net (David W. Almy) ([Leica] Weird: DMR and TTL works!)