For sale is Used cap for Medical Nikkor Auto  200mm f5.6 Nippon Kogaku Japan lens. With 4 pin power cable.  Cap is a screw in type. Size 38mm.
One side has a 25mm piece broken off. But threads are not damaged, so it screw in just fine. It will protect your lens. Cap does not look nice, since piece is broken.  But it works good, it will protect the lens.. 

Please note that it was made for a specific lens, that has 4 pin cable (not 3 pin). For sale is front cap only. It will be shipped as pictured. Nikon lens or cable are not included in this sale. 


On Mar-18-17 at 15:04:46 PDT, seller added the following information: