The small hole on a plain 2 is for ttl feedback. It has a much stronger
spring at the bottom, so cleaning from the outside is less likely to bend it
down, but it still can happen, just go easy. If the spring gets bent down,
it will no longer touch the ttl pin of shoe 2 / 3, so when you fire the
camera flash will go full dump.
On the other hand, the springs in the 1n / 2N are very light and very easily
bent. A little too much pressure with anything will bend them down, moving
them away from the mating pins of Shoe 4. In the 2N, you end up with no ttl
flash and no viewfinder LED.
John Hermanson
Camtech Photo Services, Inc.
21 South Lane, Huntington, NY, 11743-4714,
631-424-2121, www.zuiko.com
Olympus OM Service since 1977
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----- Original Message -----
From: "Fernando Gonzalez Gentile" <fgnzalez@xxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxx>
Sent: Thursday, January 20, 2005 8:47 AM
Subject: [OM] Re: Shoe 4
>
> John,
>
> Quite an advice.
> I now realize that I've done so ONLY to my plain 2, so no trouble with any
> LED. But for the same reason than with a 1n, any of the small holes of the
> 2n should be cleaned with great care.
> What is it that would make the LED or whatever stop working? I fear it
> might
> be a short. Would a wood pin be OK - but it may well get broken inside...
>
> Thank you,
>
> Fernando.
>
>
> ---------------------------------------
> on 20/01/2005 11:26, John Hermanson wrote:
>
>> If you try to clean the
>> small holes (only the right one has a function in the 1N) just a little
>> pressure will cause the viewfinder LED stop working. Just a word of
>> caution.
>
> on 19/01/2005 17:19, Fernando Gonzalez Gentile wrote:
>
>> If the hole gets dirty, it can be cleaned using a
>> simple sewing needle - so far I've done it that way.
>
>
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