John,
It is stopping down to f4 for your pictures, not f22.
Regards,  Bob S.

On Sun, May 30, 2010 at 4:03 PM, John Sessoms <[email protected]> wrote:
> From: Bob Sullivan
>>
>> John,
>>
>> Depth of field with the lens set on A will go to f22 (or whatever is the
>> max).
>> I don't remember it ever going to f4, even though the camera was set
>> that way electronically.
>> That DOF preview is purely mechanical.
>> You have to twist the aperture mechanically to f4 to see f4 with DOF
>> preview.
>>
>> Think legacy operation based on where the DOF preview lever is.
>> With the digitals, DOF preview is hooked into the electronics and
>> located by the shutter release.
>> (MZ-S too)
>>
>> Regards,  Bob S.
>
> But when I was taking the photo did it stop down to f/4 or f/22?
>
> I can live with the DOF preview stopping down to f/22 in the 'A' position,
> but it's gonna' be a real bummer if I'm two thirds of the way through and
> find out everything I've done so far was screwed up.
>
> I'm still planning to shoot extra subjects just in case, but it's not easy
> for me talking people into letting me stick a camera right up in their face.
>
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