EL-Nikkor 300mm f5.6 Enlarging Lens for negative formats up to 10"x12".
EL-Nikkor 240mm f5.6 Enlarging Lens for negative formats up to 8"x10".
EL-Nikkor 180mm f5.6 Enlarging Lens with early style metal barrel design.
EL-Nikkor 50mm f2.8 6-element enlarging lens with later style barrel design.