My LOMO O-2 600mm, a dyalite type, covers 41º in the specs but it illuminates around 90º, with increasing softness when going beyond the specified coverage circle.
Illumination circle of APO-Nikkors are also reportedly very big: https://www.largeformatphotography.i...ll=1#post56941
So for your application they may work, as you may have the corners in the out of focus, still you will have fall-off in the outer illumination boundary.
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