Archived posting to the Leica Users Group, 2008/01/21

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Subject: [Leica] Extenders
From: grduprey at mchsi.com (grduprey@mchsi.com)
Date: Mon Jan 21 18:10:53 2008

Very light lens, easily hand holdable, I tried Doug's a couple of years ago 
and much easier than hand holding the 560 Telyt.  Best to use the shoulder 
stock though for max steadiness.

gene

-------------- Original message ----------------------
From: Tarek Charara <tarek.charara@pix-that-stimulate.com>
>
> Thank's Doug!
> 
> Is the 400/6.8 usable without the shoulder stock (?). It looks like a  
> heavy lens...
> 
> All the best from the south of France!
> 
> Tarek
> 
> -------------------------------------------------
> Tarek Charara
> <http://www.pix-that-stimulate.com>
> 
> 
> Le 21 janv. 08 à 15:36, wildlightphoto@earthlink.net a écrit :
> 
> > The 2x APO will cause slight image degradation in carefully- 
> > controlled tests but I doubt many people would notice a difference  
> > in real-world use.  The 2x non-APO with some lenses will cause  
> > noticeable vignetting and it will not preserve the APO image  
> > quality of your 180.  I'd test the combination before committing to  
> > it.
> >
> > Another idea: the 400mm f/6.8 costs less than the 2x APO and will  
> > probably out-perform the 180 + 2x non-APO except in the corners.
> 
> 
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