There is a speed limiter or governor that controls the program
mechanism. This is the extra sound you hear. It also limits the camera
to approx. 3 fps with the motor drives.
___________________________________
John Hermanson
Camtech Photo Services, Inc.
21 South Lane, Huntington NY 11743
631-424-2121 | Olympus OM Service since 1977
http://www.zuiko.com | omtech1 AT verizon.net
Wayne Harridge wrote:
>
>
>
>
>>C.H.Ling <ch_photo@xxxxxxxxxxxxx> wrote:
>>
>>
>>What you heard was not only the shutter sound but also the aperture
>>close
>>down mechanism, the OM2s stop down lever close more gentely and longer
>>so
>>the sound is differ from other OM bodies.
>>
>
>
> Something related to having "program" mode ?
>
> ...Wayne
>
> Wayne Harridge
>
> http://lrh.structuregraphs.com
>
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