Features 1、Aluminum Material: The mount part is made of of high quality aluminum alloy metal material, with quality workmanship for wear resistance and durability. 2、Easy to Use: Easy to install and remove, also able to achieve fast locking, safe and less trouble for use. 3、3 in 1: Consist of a 10mm, a 16mm and a 21mm separate extension ring, 3 connecting ring can be used both alone and together, able to reduce the lens shortest focusing distance after installation, to achieve local macro effect. 4、Auto Focus Function: Easy to use, macro extension tube ring is installed between camera and lens, with electronic contact, supporting auto focus. 5、Powerful Tool: Macro extension tube is a macro photographic valid accessory that can easily shoot a fine object, such as insects, a close up of floral. Your lens can be converted to a macro lens at a very small cost while maintaining its original image quality. Specification Item Type: Macro Extension Tube Material: Plastic + Aluminum Alloy Color: As Shown Application Camera: For EOS-M Mount Camera, Such As M6 M2 M3 M5 M50 M100 M200 Application Lens: For EOS-M Mount Lens Weight: Approx.122g/4.3oz Package List 1 x Macro Lens Adapter Set (10mm+16mm+21mm) 1 x Manual