Electronic Autofocus Macro Extension Tube Lens Mount Converters Rings For Z Port Lens Autofocus Functionality Fast Response

This electronic autofocus adapter rings, automatic extension tube for z port lens, providing a practical solution for macro performances Supports electronic communication between the body and lens, thus maintaining the convenience and picture stability of autofocus and auto exposure functions The extension tube not contain any optical components, so the picture of the lens will not decrease This set includes 1pc 12mm and 1pc 24mm, which can be used separately or stackable together to better control the minimum focaled length of the lens Lightweight, the metal stand provide additional durability and can bear switching between the lens and other tubes for long time use