Osawa Tominon 40mm/3.5 six element enlarging lens.  This lens is brand new/never used---RARE FIND!  It comes with front lens cap, and to be screwed on to the protective bottom case when not in use and twist-lock clear dome cover, all inside the original box.  The packaging box has some surface deterioration due to storage but everything else looks brand new including the glass elements.  I

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