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
Piers Hemy wrote:
> The answer is "yes", but at this stage only for 51mm focal length
> lenses - the f/l has to be burned into the chip. The chip is available
"bare-bones"
> or fitted to an M42-4/3rds adaptor. There are plans to release
> further focal lengths in due course, and also to release ready-to-use
> adaptors for OM and N, but no sign of when.
>
> I have had a good email interchange with the producer, and have a bare
> bones chip on order, will report back...
>
>
> --
> Piers
>
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