Why P-TTL? Follow-up

2003-12-18 Thread Joseph Tainter
Lawrence Kwan wrote: And in case of *ist, it can give priority in the matrix metering area corresponding to the focal point. Off centered subjects is one example where P-TTL should be better. For this to work I assume one would have to use either the multi-point focusing (letting the camera

Re: Why P-TTL? Follow-up

2003-12-18 Thread Lawrence Kwan
On Thu, 18 Dec 2003, Joseph Tainter wrote: Lawrence Kwan wrote: And in case of *ist, it can give priority in the matrix metering area corresponding to the focal point. Off centered subjects is one example where P-TTL should be better. For this to work I assume one would have to use either

Re: Why P-TTL?

2003-12-17 Thread Sylwek
on 16.12.03 17:51, Joseph Tainter at [EMAIL PROTECTED] wrote: Can someone who owns the AF360FGZ confirm that P-TTL has given you better exposures than ordinary TTL? Yes, P-TTL is significant upgrade to plain TTL. It usually tries to expose picture so as the flash would be as weak as possible to

Why P-TTL?

2003-12-16 Thread Joseph Tainter
Can someone who owns the AF360FGZ confirm that P-TTL has given you better exposures than ordinary TTL? In what conditions? Thanks, Joe

Re: Why P-TTL?

2003-12-16 Thread Lawrence Kwan
On Tue, 16 Dec 2003, Joseph Tainter wrote: Can someone who owns the AF360FGZ confirm that P-TTL has given you better exposures than ordinary TTL? P-TTL uses matrix metering, so in theory, it should give better results when center weighted metering could be fooled. And in case of *ist, it can

Re: Why P-TTL?

2003-12-16 Thread Leon Altoff
On Tue, 16 Dec 2003 09:51:33 -0700, Joseph Tainter wrote: Can someone who owns the AF360FGZ confirm that P-TTL has given you better exposures than ordinary TTL? Yes In what conditions? In images with a wide contrast range, such as a light coloured subject on a dark background or vis-a-versa.

Re: Why P-TTL?

2003-12-16 Thread Mark Cassino
At 09:51 AM 12/16/2003 -0700, you wrote: Can someone who owns the AF360FGZ confirm that P-TTL has given you better exposures than ordinary TTL? I've found it to be much better when shooting macros of things like damselflies that don't fill much of the area in the frame. With plain TTL I'd

Re: Why P-TTL?

2003-12-16 Thread Alan Chan
I am surprised it took Pentax so many years to offer matrix metering in TTL flash mode. I still remember my sold F801s had spot, centre-weight and matrix modes for TTL flash. The first thing I noticed when I bought the Z-1p was that the manual said nothing about this. Yours regards, Alan Chan

Re: Why P-TTL?

2003-12-16 Thread arnie
Message - From: Joseph Tainter [EMAIL PROTECTED] To: pdml [EMAIL PROTECTED] Sent: Tuesday, December 16, 2003 11:51 AM Subject: Why P-TTL? Can someone who owns the AF360FGZ confirm that P-TTL has given you better exposures than ordinary TTL? In what conditions? Thanks, Joe