Archived posting to the Leica Users Group, 2001/04/24
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]> Steve LeHuray wrote: >> >> > Steve LeHuray wrote: >> >> >> >> >>Just my .02 cents. I have no use for TTL flash, the recycle time is to >> >> > slow. >> >><Snip> . The tests, not exhaustive or sceintific, that i have >> >> done with the metz and the SB28 seem to indicate a longer recyle time in the >> >> TTL mode. Typically I shoot with flash at f8 with the subject never any more >> >> than 10 feet away but usually 5 to 6 feet. Also would like to add that I >> >> hate using any flash and am certainly no expert on the subject. >> >> >> >> sl >> > >> > Hey guys why would the recycle time be slower in TTL mode than A mode? >> > I don't see any logic in that!!! >> > >> > >> > Mark Rabiner >> > to be continued.... >> >> This is my test......mount flash on F3HP, set shutter on X, f5.6, set strobe >> on TTL. Then press button on motor drive continuos till flash fails. >> >> Do the same thing again except set strobe on Automatic, press button on >> motor drive continuos, flash keeps going much much longer. >> >> I think the reason is on automatic there is no sensor trying to figure out >> your exposure. >> >> sl > > On automatic the sensor is right there on the flash. Have you got it set up so > the mode is 5.6 same as your lens? Yes I match the f. stop on flash & lens > IN TTL mode that sensor is bypassed and the one in the camera is used. > Could the use of the in camera sensor make the flash significantly less efficient? > Does not seem likely or logical.The opposite seems more likely to me. Your TTL > sensor is asking for more light from your flash for some reason if you ask me. You may be right, I do not know > > I should have prefaced this by saying that i have used a LOT of TTL and A > flashes going back and forth between modes. > > There are plenty of variables as in is the sensor on your flash asking for as > much light as the sensor in your camera because if you are using a telephoto or > wide angle lens than that sensor could be judging a different ball part than the > dumb one your flash sees. I do not use a telephoto--always 19mm to 50mm > I think your UV filter is absorbing all your flash before it hits your in > camera sensor!! > Yea that's the ticket! Hey Bub!! You have me confused with somebodies else--do not use any steeenkin filters--even on Nikor. sl > > mark rabiner > put your UV filter over your flash!!! >