The blinking in the viewfinder is controlled by the flash, not the
camera. Except for some 2Ses, the viewfinder light is just a second
LED for the flash. Olympus used a single LED for ready and confirm.
Sunpak, as I read your description, chose to use separate LEDs for the
two functions. Then they just ran the ready line to the pin on the foot
rather than put a circuit in the adaptor which would combine the two
signals in the way Olympus did.
Paul
>
>
> >I tried my Sunpak 444D, T20, and Viv 4600 w/ded mod with both an OM-2S
> and
> >OM-1N. They all act differently with the ready light. We know what
> the T20
> >does. The Viv 4600 does the same thing with a vengeance (I mean it
> really
> >blinks the ready light like crazy). Of course mine makes the ready
> light
> >blink even when it's just in stand-by mode. The Sunpak has the least
> >interaction with the ready light: it is on in stand-by, goes off when
> the
> >shutter is clicked, and the green ready light on the flash body does
> all
> >the blinking to indicate sufficient light.
> >
> >Joel Wilcox
>
> Thanks for confirming my experience Joel. Using the dedicated OM module
> with the Sunpak 555 last night with film in the camera, I noticed the
> same behavior as you did with your 444D. The green "auto OK" light on
> the back of the 555 lit up after each exposure, aparently indicating
> that TTL exposure was correct. The module has the same number of pins
> as the T20, so I don't know why the LED in the viewfinder doesn't
> flicker upon correct exposure.
>
> I'm experimenting with using the patato masher flash with architectural
> subjects. I'm using an OM-2n with the 555, all in auto mode. I probably
> should just use "normal auto" and fool the flash by setting the wrong
> film speed to get fill flash, but we'll see how these turn out first.
>
> I'm also becoming a dedicated polarizer user. I should look into
> getting a "thin ring" version of one for my 24mm lens, since my regular
> B+W one vignettes with that lens.
>
> Be seeing you.
>
>
> Dirk Wright
>
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