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[OM] Re: Possible Russian focus confirmation chipped adapter OM-4/3

Subject: [OM] Re: Possible Russian focus confirmation chipped adapter OM-4/3
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Mon, 22 Oct 2007 15:11:15 -0400
Wow!  Very nice.

Chuck Norcutt

Piers Hemy wrote:
> 
> It didn't take as long as I thought to get the examples.  There are four
> examples with a 50mm lens, four with a 135mm lens, all using a chip
> programmed for 51mm focal length: 
> 
> http://www.hemy.me.uk/Miscellany/IS%20test/index.html 
> 
> Keep in mind that the lenses are both 42mm screw.
> 
> --
> Piers
> 
> -----Original Message-----
> From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx] On Behalf
> Of Chuck Norcutt
> Sent: 22 October 2007 14:10
> To: olympus@xxxxxxxxxx
> Subject: [OM] Re: Possible Russian focus confirmation chipped adapter OM-4/3
> 
> Any idea how much precision is required in the focal length?  Are, for
> example, 85 and 90mm lenses or even 85 and 100mm lenses close enough for the
> IS to work properly given some intermediate setting?
> 
> Chuck Norcutt
>

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