Thanks, but I'm fairly confident it's not an enlarging lens as Xenars where always a 'taking' lens. They where (and still are) used in a range of cameras over many decades. The pics I've posted don't properly show the scale of the lens which is actually quite large and heavy, but it's proprtions certainly make it look like any normal enlarging lens. The lens is about 3 inches across and weighs approx 550 grams.
Originally Posted by rthomas