645AFDII mirror-up on manual

[david o]

I don't get why I have to put the focus on the body to manual to use the mirror-up function on M mode.
It is even more annoying as the 35mm has its own AF/Manual ring, so I usually put the lens on manual focus and I still don't think that I also have to put the body on manual focus... I can put the mirror up but it won't shoot.
Hope I am clear enough.
Is it a mechanical restriction or electronic...

[Mort54]

I don't get why I have to put the focus on the body to manual to use the mirror-up function on M mode.
It is even more annoying as the 35mm has its own AF/Manual ring, so I usually put the lens on manual focus and I still don't think that I also have to put the body on manual focus... I can put the mirror up but it won't shoot.
Hope I am clear enough.
Is it a mechanical restriction or electronic...
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I've taken autofocus off the shutter release button and activate it instead with the focus lock button on the upper front of the body. That works just fine with mirror lock-up. This setup is controlled by one of the custom functions - I forget which. Check your users manual to find it.

Regards,
Mort.