This rare giant Darlot Opticien, Paris / B.F & Co 330mm f/4 Petzval rack and pinon focus brass portrait lens comes with its mounting ring and screws. It is 9 1/2'' long and 5 1/2'' at its widest. There are scuffs and a couple of light scratches on its oxidized brass exterior. Please see photos. It does not come with and stops. Its focus is fully functional but slightly stiff. There are a couple of cleaning marks on its front and rear elements. The Glass is exceptional, with no fungus or haze to its elements. There is a tiny amount of separation around the outer perimeter of the front element.
