JJC Macro Extension Tube (12mm + 25mm) Auto Focus for Canon EF/EF S Lens Cameras Close up Photography Ring Body Rear Cap Set

【Extension Tube 12mm+25mm Set】Auto focus (AF) extension tube set for Canon EF/ EF-S Mount camera and lens - can be used individually or in combination to achieve your desired of macro photography or close-up portraits. 【Full Auto Focus & Auto Exposure】Automatic tubes are able to communicate all electronic functions from lens to camera. Metal bayonets with gilt metal contacts provides perfect coupling and all the circuitry and mechanical coupling to maintain auto focus. 【No Degrade Image】Extension tubes have no optical elements, which will not degrade the quality of images. enabling you to convert the lens into a macro lens at a fraction of the cost while maintaining its original optical quality. 【Package Include】Consisting two rings in 12mm 25mm extension tubes, Body Cap x 1, Rear Lens Cap x 1, Storage Pouch x 1. Made of high quality metal and ABS. the metal bayonet provides years of reliable use. 【Macro Photography】Extension tubes are designed to enable a lens to focus closer than its normal set minimum focusing distance. They are exceptionally useful for macro photography.