Yes it is - very interesting, thanks.

Aristotle provides the earliest known description of a camera obscura, from
about 350 BC.

A web page about Greek optics:
http://www.mlahanas.de/Greeks/Optics.htm

--
Cheers,
 Bob 

> -----Original Message-----
> From: Derby Chang [mailto:[EMAIL PROTECTED] 
> Sent: 30 April 2005 01:07
> To: Pentax Discuss
> Subject: leaf film
> 
> 
> This is pretty cool.
> 
> http://www.grand-illusions.com/roman.htm
> 
> --
> [EMAIL PROTECTED]
> http://members.iinet.net.au/~derbyc
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> 
> 
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