Color: Black - Material: ABS + Aluminum + Copper - Diameter: 62mm - Compatible camera model: Universal for Canon EOS series SLR - Tube length: 13mm 21mm and 31mm - Functions: Enable a lens to focus closer than its normal set minimum focusing distance. Getting closer has the effect of magnifying your subject. They are exceptionally useful for macro photography enabling you to convert almost any lens into a macro lens at a fraction of the cost while maintaining its original optical quality - Package includes: - 1 x Micro extension tube set - 1 x English user manual