TV mode on 645 afd ii

[ben decamp]

The Mamiya 24mm fisheye doesn't allow AF with the AFDii, which is fine. What I'm wondering is if I use it on shutter priority (tv) mode, will the camera automatically change the aperture, or because since the lens has an aperture ring this is not possible? Thank you.

[marcmccalmont]

The Mamiya 24mm fisheye doesn't allow AF with the AFDii, which is fine. What I'm wondering is if I use it on shutter priority (tv) mode, will the camera automatically change the aperture, or because since the lens has an aperture ring this is not possible? Thank you.
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I don't have the lens but the 120mm macro has a switch to change between full manual and auto aperature (manual focus only) modes so without the switch I think it is full manual only
Marc

[jonstewart]

The Mamiya 24mm fisheye doesn't allow AF with the AFDii, which is fine. What I'm wondering is if I use it on shutter priority (tv) mode, will the camera automatically change the aperture, or because since the lens has an aperture ring this is not possible? Thank you.
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If that's the Sekor C one (which I also have), which I think it is, then I think no is the answer. You need to set the aperture before shooting.