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Re: [OM] Massive Canon Lens

Subject: Re: [OM] Massive Canon Lens
From: Jan Steinman <Jan@xxxxxxxxxxxxxx>
Date: Sat, 22 Dec 2018 16:55:57 -0800
> From: Chris Trask <christrask@xxxxxxxxxxxxx>
> 
> a Canon 600mm f/1.8.  It was about three feet long and eight inches in 
> diameter

ONLY 8"?

The entrance pupil (600/1.8/25.4) on such a beast would have been 13.12".

Jan

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