Some older OM-10s needed modification where if the manual adapter was on the
camera and set to a speed higher than 60, it would override the automatic
flash sync speed set by the T series flash.
John
Ian M. Stewart wrote:
> Hello everyone,
>
> My latest aquisition is a T20 flash with no instructions. The manual
> adapter instructions and the OM10 instructions seem to infer that if the
> manual adapter is mounted, then it must be set to 1/60th or more for the
> flash to be quenched correctly, even with the camera set to auto. Why? I
> thought that on auto the manual adapter would have no effect at all.
>
> Also, what effect does reversing the slide have on the flash. I can see no
> switch or contacts involved, except that the slide blank side out sets the
> switch to manual. Would leaving it with the table showing, but the switch
> in manual be the same thing?
>
> Final question : am I limited to the aperture range indicated on the slide
> to match the iso rating of my film?
>
> Thanks in advance for your assembled wisdom - I'll try asking Oly for a
> manual.
>
> Ian <IMS>
> OM Tyro - please point my lens in the right direction.
> mailto:ims@xxxxxxxxxxxxx
>
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