A pretty thorough reading of both the K20D and AF540FGZ manuals re: TCS reveals nothing. It is neither mentioned as doable or not doable. It does "imply" that it should work, but does not back that up in text or sync spec charts.

Let us know what tech support at Pentax has to say please...


On Apr 20, 2009, at 18:12 , Bruce Walker wrote:

Doug Brewer wrote:
Doug Brewer wrote:

okay, try this: in your custom settings, number 29, set it to 2, use the built-in flash as the controller, instead of the master.

Set the flash on TCS, camera on wireless, and see what happens.

Note: I'm basing this on the 360FGZ, and assume there are similar settings on the big boy.

oh, yeah, and the flash set to slave mode, built-in flash popped up.

Custom #29 = 2 ... check.
flash on TCS ... check.
camera on wireless ... check.
ext flash on Slave ... check.
PUF up ... check.

External flash still fires on leading curtain. I have the shutter speed at 0.5 sec so I can see where the flash occurs. I've also tried speeding the shutter up and panning across an object and it is still doing LCS. I've tried with SR on and off (I recall reading that some flash mode doesn't work with SR on).

I'm going to try resetting all the options 'cause I'm running right out of ideas.

Joseph McAllister
Pentaxian

http://gallery.me.com/jomac
http://web.me.com/jomac/show.me/Blog/Blog.html


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