Re: TTL with K and M on D
2. David, can't you limit the output of your flash as I can here with the Metz's and the Pentax AF280T. Then flash would work in auto mode even closer than 50cm. What close up distances are talking about, less than 20 cm? Yes, around 20cm, f22, flash at full power, handheld, reproduction ratio 1:2 with 135mm and some extension tubes. It is a Sunpak 383 Super, maybe it can work this close in auto mode but I don't trust it any more as I need to use the full power of the flash to get to f22 and I don't think auto can work this close and give accurate exposures. Right now I measure and set everything at home and then when I am taking a picture I just repeat the whole setup and leave focus at the same point and just focus with my head, reproduction ratio is always the same as that is the only way this can work. I think that TTL flash would solve all my problems, I would not have to calculate anything or be at the same distance and focus point all the time, I could even take the flash of camera and provide better lighting. I keep it on the camera right now to keep constant distance between the flash and the subject. Distance measurement has to be exact as at these distances every inch matters regarding flash. I was also shooting film until now so I would not know if exposure is ok until I develop the slides, it is much easier with digital. :)
Re: TTL with K and M on D
No. David Zaninovic wrote: Thanks. What about P-TTL ? - Original Message - From: Sylwester Pietrzyk [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Monday, December 20, 2004 11:39 AM Subject: Re: TTL with K and M on D David Zaninovic wrote on 20.12.04 17:34: Will TTL flash work with K and M maual focus lenses on D ? Yes. -- Balance is the ultimate good... Best Regards Sylwek -- I can understand why mankind hasn't given up war. During a war you get to drive tanks through the sides of buildings and shoot foreigners - two things that are usually frowned on during peacetime. --P.J. O'Rourke
Re: TTL with K and M on D
David Zaninovic wrote on 20.12.04 17:34: Will TTL flash work with K and M maual focus lenses on D ? Yes. -- Balance is the ultimate good... Best Regards Sylwek
Re: TTL with K and M on D
- Original Message - From: David Zaninovic Subject: TTL with K and M on D Will TTL flash work with K and M maual focus lenses on D ? As well as TTL flash works on the D, it will. TTL flash control is one of the things that I have found to be less than ideal on the istD. I have now gone back to auto flash with the thing, and am getting much more consistent results. William Robb
Re: TTL with K and M on D
Thanks. What about P-TTL ? - Original Message - From: Sylwester Pietrzyk [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Monday, December 20, 2004 11:39 AM Subject: Re: TTL with K and M on D David Zaninovic wrote on 20.12.04 17:34: Will TTL flash work with K and M maual focus lenses on D ? Yes. -- Balance is the ultimate good... Best Regards Sylwek
Re: TTL with K and M on D
David Zaninovic wrote on 20.12.04 17:51: Thanks. What about P-TTL ? You'll need lenses with A and later lenses for that... P-TTL needs at least aperture range info form the lens to calculate correct exposition, that's why you need electrical contacts on the lens for that. -- Balance is the ultimate good... Best Regards Sylwek
RE: TTL with K and M on D
Yes, absolutely. Perhaps with the restictions that comes with a limited choise of metering modes. I don't believe matrix metering can be used with K or M lenses. Jens Bladt mailto:[EMAIL PROTECTED] http://hjem.get2net.dk/bladt -Oprindelig meddelelse- Fra: David Zaninovic [mailto:[EMAIL PROTECTED] Sendt: 20. december 2004 17:35 Til: [EMAIL PROTECTED] Emne: TTL with K and M on D Will TTL flash work with K and M maual focus lenses on D ?
Re: TTL with K and M on D
Auto is great for me too for normal pictures but I was hoping to get better results with macro as auto can't work at that close distances so I have to take out a ruler and measure the distance between flash and the subject. :) - Original Message - From: William Robb [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Monday, December 20, 2004 11:44 AM Subject: Re: TTL with K and M on D - Original Message - From: David Zaninovic Subject: TTL with K and M on D Will TTL flash work with K and M maual focus lenses on D ? As well as TTL flash works on the D, it will. TTL flash control is one of the things that I have found to be less than ideal on the istD. I have now gone back to auto flash with the thing, and am getting much more consistent results. William Robb
RE: TTL with K and M on D
On Mon, 20 Dec 2004, Jens Bladt wrote: Yes, absolutely. Perhaps with the restictions that comes with a limited choise of metering modes. I don't believe matrix metering can be used with K or M lenses. Is there such a thing as Matrix Metering when it comes to TTL? Isn't TTL a completely different thing that happens OTF and with a different sensor (or set thereof)? Or does it share the the algorithms with conventional metering? Apologies if this has been done to death, Kostas
Re: TTL with K and M on D
- Original Message - From: David Zaninovic Subject: Re: TTL with K and M on D Auto is great for me too for normal pictures but I was hoping to get better results with macro as auto can't work at that close distances so I have to take out a ruler and measure the distance between flash and the subject. :) I hope it works out for you. I suspect though, that you will find the ruler and calculator to be better than TTL flash with the istD. Keep us apprised, please. William Robb
Re: TTL with K and M on D
I've had good success using the *ist D TTL with a K macro lens. I use the Pentax AF400T, firing into a sof' shoulder reflector. The exposures are quite good and consistent. I think the reflector makes it a little easier for the TTL to respond accurately. You can see an example here: http://www.photo.net/photodb/photo?photo_id=2220242size=lg Auto is great for me too for normal pictures but I was hoping to get better results with macro as auto can't work at that close distances so I have to take out a ruler and measure the distance between flash and the subject. :) - Original Message - From: William Robb [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Monday, December 20, 2004 11:44 AM Subject: Re: TTL with K and M on D - Original Message - From: David Zaninovic Subject: TTL with K and M on D Will TTL flash work with K and M maual focus lenses on D ? As well as TTL flash works on the D, it will. TTL flash control is one of the things that I have found to be less than ideal on the istD. I have now gone back to auto flash with the thing, and am getting much more consistent results. William Robb
Re: TTL with K and M on D
On Dec 20, 2004, at 6:11 PM, Kostas Kavoussanakis wrote: Is there such a thing as Matrix Metering when it comes to TTL? Isn't TTL a completely different thing that happens OTF and with a different sensor (or set thereof)? Or does it share the the algorithms with conventional metering? It depends... For instance TTL in modern Minolta's used 4-segment sensor. All TTL-aware Pentax cameras use CW type of TTL sensor though. All plain flash TTL sensors are completely independent from continuos (available) light matrix metering ones. One shared sensor for flash and available light metering is used in case of modern pre-flash metering type units working in P-TTL (or ADI, E-TTL, i-TTL at other producers). These modern systems use pre-flash and meter light distribution using the same sensor like for available light. Then mirror is raised and exposure done. The one exception was 3D matrix balanced TTL used by Nikon. It did pre-flash but metering was done right after mirror was raised. Here 5-segment dedicated for flash sensor was used. This sensor was getting light reflected from grey painted shutter curtain. Apologies if this has been done to death, Watch out, or you will be banned forever :-P ;-) -- Best regards Sylwek
RE: TTL with K and M on D
Hi Paul and David 1. Paul, this is a very nice macro shot! 2. David, can't you limit the output of your flash as I can here with the Metz's and the Pentax AF280T. Then flash would work in auto mode even closer than 50cm. What close up distances are talking about, less than 20 cm? greetings Markus I've had good success using the *ist D TTL with a K macro lens. I use the Pentax AF400T, firing into a sof' shoulder reflector. The exposures are quite good and consistent. I think the reflector makes it a little easier for the TTL to respond accurately. You can see an example here: http://www.photo.net/photodb/photo?photo_id=2220242size=lg better results with macro as auto can't work at that close distances so I have to take out a ruler and measure the From: David Zaninovic
