Archived posting to the Leica Users Group, 2002/04/07
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]YES !!!! All tests with film. - --- James Harrison <leicajh@earthlink.net> wrote: > Did you have film in the cameras when you tested the > flash TTL? jh > > > > [Original Message] > > From: Henry Ting <henryting10@yahoo.com> > > To: Leica-users > <leica-users@mejac.palo-alto.ca.us> > > Date: 4/7/2002 1:19:21 AM > > Subject: [Leica] Leica TTL accuracy. > > > > > > About a month ago, I added a Metz 54 MZ-3 to the > M6 > > with different modules for the M6 and R6.2 TTL. > > The initial results were disappointing. I tested > it > > with close to 18% neutral background and in all > > situations with both TTL and the automatic all my > > pictures came out underexposed. I made addtional > tests > > with the flash, but metering it with the flash > mode of > > the Sekonic L-3088 and sure enough the Metz screen > > shown with the distance to F-stop is one-stop > under > > compared to the Sekonic meter reading. However, > using > > FULL flash with no TTL or auto mode, the flash > output > > in combination with the zoom capability shows > exactly > > 177 GN against the meter with the appropriate > > flash-to-subject distance. > > > > I'm at a lost in trying to determine the source of > > this problem. My understanding is the flash output > is > > determined by the camera in TTL mode, so logically > the > > under-exposure problem should lie with my camera. > > However, in auto-mode, the control is in the flash > and > > yet the pictures are also under-exposed, so > logically > > the problem should be with the flash. And yet > testing > > the flash in FULL manual, the Sekonic reads the > output > > as "right on". By the way, the under-exposure is > > consistent with both my M6-TTL and the R6.2 with > Metz > > modules SCA 3502 and SCA 351 respectively. > > > > I ran out of ideas in trying to trouble-shoot this > > problem. I could use the Metz 54 MZ-3 with the +1 > > compensation to overcome this, but that's a big > price > > to pay. > > > > __________________________________________________ > > Do You Yahoo!? > > Yahoo! Tax Center - online filing with TurboTax > > http://taxes.yahoo.com/ > > -- > > To unsubscribe, see > http://mejac.palo-alto.ca.us/leica-users/unsub.html > > > --- James Harrison > --- Wichita Falls Texas, USA > --- KD5LMX > --- leicajh@earthlink.net > --- http://home.earthlink.net/~leicajh/ > > > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html __________________________________________________ Do You Yahoo!? Yahoo! Tax Center - online filing with TurboTax http://taxes.yahoo.com/ - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html