OK, tell me why it's not 150. Wild guess... 140.
----- Original Message -----
From: "AG Schnozz" <agschnozz@xxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Sunday, November 24, 2002 12:09 AM
Subject: [OM] Mind Bender
Quiz:
What focal length is effectively half-way between 100mm and
200mm?
AG-Schnozz
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