Quote Originally Posted by Claire Senft
.. the exreme depth of field helped a lot.

I wonder if this is so.
Since I used a Bessa-L (no rangefinder), all my distances were guesstimated. So DoF was a really great help!

Any difference in focal plane between IR and visible light should be less than the thickness of the emulsion from what I have seen of data on the 21mm Color-Skopar.