>To give you an idea of the stuff they do... The whole
>setup is on a air-isolated table, they told me that heavy
>footsteps are sometimes enough to throw their experiments
>off unless they isolate everything from vibration. Many
>insects "hear" through their feet.

when I saw your first post I thought "they are moving the wrong thing". Now
I am convinced.

The table should be kept stable, and the camera equipment should be moved to
follow the spider, rather like an X-Y plotter which moves the pen in two
axis.

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist