![](https://www.un-ltd.co.jp/wordpress/wp-content/uploads/2021/12/15-64-320x180.jpg)
UNX-8632
This is a UN's original step-up ring for Leica M viewfinder. It is a convenient item to support your photography by attaching an eyepiece auxiliary lens for Nikon (for FM3A/NewFM2/FE2/FM2/FE/FA) or diopter correction lens for Cocina (for Bessa/Zeiss Ikon).