Thomas de Groot wrote:

> I have said it earlier in these ng's: I am not really enthousiastic about 
> focal blur in general, whether in ray tracing or (more especially) in 
> photography. I still think one should use it very carefully and with a very 
> light touch indeed.

Sometimes, in photography, especially when taking macro shots, you don't 
have much choice, either no picture or a razor thin DOF.

http://farm3.static.flickr.com/2125/2089456023_0c64233baf_o.jpg

and other times, focal blur is used for artistic effect

http://farm3.static.flickr.com/2302/2090316034_fb62145001_o.jpg
-- 
~Mike

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