It sounds almost like a simple software oversight involving 3rd grade
mathematics.
Tom C.
From: Toine <[EMAIL PROTECTED]>
Reply-To: pentax-discuss@pdml.net
To: pentax-discuss@pdml.net
Subject: Re: DL TTL flash madness
Date: Sat, 1 Apr 2006 17:24:51 +0200
I doubt the connector is the problem.
Install the flash/camera combo on a tripod, select a static subject,
and expose a series of 4 shots with 200, 400, 800 and 1600 ISO. I
don't see why the exposures shouldn't be identical. In real live with
my D creates a series of underexposed, correctly exposed, over exposed
and horribly overexposed depending on ISO setting.
If I forget to use ISO 400 during flash use I'm in trouble.
Toine
On 4/1/06, Paul Stenquist <[EMAIL PROTECTED]> wrote:
> The AF400T works great on the D. i think the reason Dario and others
> have experienced so many failures and erratic behavior patterns with
> certain flashes on the D is that the connectors on the D hotshoe
> sometimes have trouble making contact. That would explain the erratic
> results with some flash units. Mounting is critical. The AF 400T
> doesn't mount on the shoe of course. It uses a cable that attaches to
> the shoe. I think the weight of some flashes on the shoe causes them to
> rock back and forth a bit, interrupting contact. Even the Sigma has to
> be mounted carefully, and the wheel has to be tightened aggressively.
> Paul
> On Apr 1, 2006, at 5:34 AM, Kostas Kavoussanakis wrote:
>
> > On Sat, 1 Apr 2006, Dario Bonazza wrote:
> >
> >> At the end of the day, I'm afraid that the only TTL flash working
> >> well on the D to be the Sigma EF500 DG.
> >
> > And that's P-TTL, right? Or are you saying that it has a TTL mode and
> > it works well on the -D?
> >
> > Kostas
> >
>
>
