Archived posting to the Leica Users Group, 2005/09/10
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thanks David. David W. Almy 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 >