Here's the key point!
This is an Ai-type close-up ring for Nikkor lenses that allows you to obtain 7 different extensions by using it individually or in combination with other rings. It enables you to take photos that get even closer to your subject.

◎Comments from our inspection staff
[Appearance] Overall, it is in clean condition, having been carefully used.
[Functionality/Operation] It works perfectly. You can use it with confidence.