Acouto Lens Extension Tube Ring for Macro M42 42mm Screw Mount Set for Film/Digital SLR music_update_2020 SAFE TO USE: Come with

SAFE TO USE: Come with a UL Listed power adapter

Note:To keep the tuning fork more accurate

7/32" diameter

3-Pin XLR DMX cables for wide application

Acouto Lens Extension Tube Ring for Macro M42 42mm Screw Mount Set for Film/Digital SLR music_update_2020 SAFE TO USE: Come withAcouto Lens Extension Tube Ring for Macro M42 42mm Screw Mount Set for Film Digital SLR Acouto Lens Extension Tube Ring for Macro M42 42mm Screw Mount Set for Film Digital SLR Description: On most lenses, the manufacturers provide a focusing mechanism that extends only a few millimetres, partly to keep down costs and partly to restrict the lens to extensions for which its optics are optimised. To provide additional extension, one or more extension