Archived posting to the Leica Users Group, 2001/10/11

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Subject: RE: [Leica] Image Stabilization revolutionises telephoto available light?
From: "Brian McCarthy" <straightline@btinternet.com>
Date: Thu, 11 Oct 2001 08:52:27 +0100

That is indeed impressive! Can anyone explain how these IS lenses work?

Brian McCarthy
brian@imagespace.co.uk
www.imagespace.co.uk  
> 
> 
> Henning:
> 
> WOW!  That's an amazing photo at 1/15 and 560mm HANDHELD!  I 
> didn't know the 
> Canon 100-400 IS lens was that good at the 400mm end.  This makes 
> me wonder 
> why people are still using non-IS lenses!   :-)
> 
> Sincerely,
> 
> Muhammad R.K. Chishty, Ph.D
> Associate Professor of Finance
> Graham School of Management
> Saint Xavier University
> 3700 West 103rd St
> Chicago, IL 60655, USA
> 
> 
> 
> <<<<I don't know about 'Leica style', but since I can consistently shoot 
> at 1/15 sec at 400mm with the 100-400IS lens, 1/15sec should be a 
> piece of cake with the 70-200. The addition of IS does not affect 
> optical quality in a lens. In my opinion image stabilization is one 
> of the most significant advances in camera design, as it truly allows 
> you to take pictures that were impossible before.
> 
> The picture below of a Vermillion Flycatcher, about 2 inches long, 
> was taken with the Canon 100-400IS with a 1.4x converter, effective 
> focal length 560mm, handheld under quite dark clouds at an 1/8 sec.
> 
> http://www.archiphoto.com/Recent/VermFly.jpg
> 
> I took about 12 pictures before it flew away, and of those, about 8 
> are adequately sharp.
> 
> - -- 
>     *            Henning J. Wulff
>    /|\      Wulff Photography & Design
>   /###\   mailto:henningw@archiphoto.com
>   |[ ]|     http://www.archiphoto.com>>>>>>>>>>>>>>>
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Replies: Reply from "Don Dory" <dorysrus@mindspring.com> (Re: [Leica] Image Stabilization revolutionises telephoto available light?)