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Re: [OM] Macro light loss-continued

Subject: Re: [OM] Macro light loss-continued
From: Moose <olymoose@xxxxxxxxx>
Date: Wed, 05 May 2010 21:40:54 -0700
On 5/5/2010 7:33 PM, Chuck Norcutt wrote:
> I really have no idea but would suggest that it's possible the Big Foot 
> reduces its focal length when focusing at macro ranges such that the f/2.5 
> aperture at 125mm might be, say, f/2 at 100mm.
>    

Unless it has an internal Photon Flux Multiplier.

A. Quantum Moose
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