The part of camera mount is made of Aluminum, the part of lens mount is made of high quality brass, while the tube is made of high quality ABS plastic
Shortens minimum focusing distance of lens for macro photography, convert almost any lens into a macro lens, save your cost of buying an expensive macro lens
Full Autofocus and auto exposure Compatibility
Extension tubes of 11mm and 16mm lengths can be used individually or in combination for greater magnification
Fits Canon RF mount mirrorless camera and RF mount mirrorless lenses