Hmm, looks like the story you're told during training varies with which
official Japanese trainer you get.
___________________________________
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
PhotoSphere Olympus Camera Service wrote:
> I was told this was a "needle deflection circuit", intended to move the
> needle off of center whenever mechanical conditions (slower speeds such as
> B,1 sec, etc., and larger apertures such as f/1.4, 1.8, etc.) might combine
> to give an erroneous "good exposure" reading, even when the meter switch is
> "off".
>
>
>>Oldest OM-1s had a battery check circuit built in but it was never
>>mentioned in the instruction books. Feature involved a small curved
>>circuit board attached to the side of the meter coil housing. Here's a
>>page with a picture of it. Scroll down to second pic.
>>
>>http://www.zuiko.com/1_tech_2.htm
>>
>>Small brushes rested on the circuit. When a specific asa, shutter speed,
>>f stop was set the brushes would land on the large contact on the end
>>and complete a circuit, centering the needle or something along those
>>lines>)
>>___________________________________
>
>
>
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