P3D Re: Camera sync in hyperstereo

[fj834@xxxxxxxxxxxxxxxxxxxxx (Dr. George A. Themelis)]

>Perhaps an old-fashioned bulb.  You know, you squeeze a rubber bulb that has
>a small rubber hose that goes to an acutator at the camera.  With one bulb
>and a tee, you should be able to simultaneously fire two cameras which are 
>quite far apart.  I still see one of those types of things once in a great
>while.

"These things" are still made new.  The offical name is "air release".
Porter's has one for sale for only $12.95 (#10-0281).  Comes with a 20
feet extension.  Useful for taking self portraits with stereo cameras
that lack self-timers.  One disadvantage over mechanical timers is that
the cord or bulb might be in the picture and little kids might be trip on
the cord, but the advantage is that you have control over the each instant
of the exposure, useful when taking picture of a young child in your arms,
waiting for this perfect look in their face.

And yes, combining two of those is a good way to take long base
hyperstereos.

>Hey, if it's a bit on the dark side, you can use the 'B' setting on the
>cameras too.  You know, the Bulb setting.   :-)

You know, the name "Bulb" for this setting actually came from using such air
releases in early cameras.

-- George Themelis


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