Hi,

Wednesday, September 22, 2004, 7:50:23 PM, Karen wrote:

> can anyone tell me what those little round pieces of thick blue acrylic are
> called?  you look through them to make everything look like a monochrome to
> see values etc which are not as obvious when you look at things in color
> and take it in b & w.

> i have my husbands but want to get one for a friend and don't even know
> what to search for.

I think you may be look for a black & white contrast viewing filter.
Try Tiffen:
http://www.tiffen.com/camera_filters.htm#Contrast%20Control%20Filters

-- 
Cheers,
 Bob

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