Well, over the weekend I managed to open up the barrel on that Apo-Germinar. After looking at it I suspect that it is one that cannot be mounted into a shutter. The design of the barrel is such that while the rear element can be separated from the front, the aperture mechanism is of a unit with the front element housing, and might well require too much engineering to remove and re-mount. I think in the new year that I'll send it up to Grimes along with the Ilex #5 and have them look it over. Might be able to front-mount the Ilex 5 or put a Packard on the front.
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