Multi-element multi-coated lens assembly made for the Kodak Imagelink. Made by the Electro-Optics Dept of Eastman Kodak. It is called the Scanner Camera Module Assembly. Heavy brass barrel (assembly weighs around 2 pounds). Largest diameter is 70mm. Clear lens diameter is 35mm and focal length of the assembly is about 40mm as measured from the center of the optics. If you have the machine this goes into it's worth a large multiple of our price. Great for experiments or sell the brass! Excellent condition. Limited supply.