This Nikon Japan 321810 BD Plan 20 0.4 210/0 Lense appears to be in excellent condition. There is some sort of wear on the top of the metal (seen in photos) it does not appear to go over the actual Lense part. We have not looked through using a microscope, so these are untested.
If there are any problems, we will work with you to make things right. Return the item in the original packaging and with all tags attached.We will correct any mistakes or work with you to solve any problems.