On Sun, Aug 02, 2009 at 10:42:06PM -0400, John Sessoms wrote:

> I don't think it's possible to "repair" it so it won't do that. My 
> experience with the AF-540 is it will stay in whatever mode you set it 
> in until it powers itself down to save the batteries.

Nope, it'll pop out of manual exposure at a whim.

Sometimes it won't let me set into manual.


> 
> When it powers up again it reverts to P-TTL and I think that's the way 
> Pentax designed it.
> 
> >Another peeve is that there is no manual control over the in camera
> >flash. I have studio strobes that can be optically triggered, but
> >there seems to be no way of doing so without putting a little dumb
> >external flash on my camera. It would be so simple to have a menu item
> >to run the flash manually at full power down to 1/16 at 1/2 stop
> >intervals.
> 
> I wonder if setting the flash compensation for the built in flash to 
> -2EV and fitting a small deflector to bounce it up to the ceiling would 
> work?

as has been discussed, you still have the preflash.


-- 
The first step is learning to take great photos, 
the second step is learning to throw away ones that are merely good.
Larry Colen             [email protected]            http://www.red4est.com/lrc


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