"Ken" <tyl### [at] pacbellnet> wrote in message news:39747258.85951368@pacbell.net...
|
| > The overlapping plates (still don't know a name for them)
|
| Vanes.

Okay, I'll accept that  :-)
Not that I didn't believe you but I had to go looking again myself and the only thing
I saw with
that terms used was some odd engineering web pages about a "fusion" device of some
sort.
http://aries.ucsd.edu/PUBLIC/ARIES-RS/ENG-BOOK/diaphragm.html  is the schematic of the
not quite
similar vanes used in a diaphragm not used in cameras obviously.

Bob

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