Great!  Thanks!  I'll head that way.

Len
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-----Original Message-----
From: Shel Belinkoff [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, April 24, 2002 9:37 AM
To: [EMAIL PROTECTED]
Subject: Re: Hood depth


Check out the Contax Hack page ... don't have the URL handy, but a
Google search should turn it up.  They have some lens hood information
there and, iirc, a way of determining optimum hood diameter/depth.

"Paris, Leonard" wrote:
> 
> Is there a formula for calculating the maximum depth of the hood, given
the
> focal length of a lens in millimeters, it's maximum aperture diameter also
> in millimeters, and the diameter of the hood in millimeters?

-- 
Shel Belinkoff
mailto:[EMAIL PROTECTED]
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