Here we have a Used  "Nikon NI Spiratone TelXtender Adapter with Case - Made in Japan " I do not know the set up for this and what mm it is and for what lenses.    very good shape, has some wear and marks from use. See ALL Photo's as they will attest to the items actual cosmetic condition, and we gave you several to review.  

A Wonderful Item at a great price. Photo's of actual item and only comes with what is in the photo's. .

Please visit my Ebay store at the above link. YES, We do combine items to save you on shipping costs.

Please let me know if you have any questions, and Thank You for your continued interest, support and business.