My Kenko has 5 + 3 contacts. I've used it on Elan IIe, IX, 650, 1n and 3
bodies with L and non-L lenses with no problems.
tomp
----- Original Message -----
From: "Ray Amos" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, March 17, 2001 9:27 PM
Subject: Re: EOS Extension Tubes - Canon vs Kenko.
> The Canon 12mm extension tube has 5 + 3 contacts and the 25mm has 8 + 3
> contacts. I've been told the Kenko's have less. The new ones may be
> 100% compatible.
>
> Ray Amos
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