JJC Auto Focus (AF) Extension Tube with TTL Exposure for Close up Image Photography Canon EF/EF S Mount DSLR & SLR Cameras (12mm/20mm/36mm Set)

WIDE CANON EF/EF-S DSLR & SLR COMPATIBILITY: Fully compatible with all Canon EF and EF-S mount DSLR and SLR cameras, covering professional, mid-range and entry-level Canon camera bodies for universal use. 7 FLEXIBLE MAGNIFICATION COMBINATIONS: This 3-piece kit includes 12mm, 20mm and 36mm extension tubes, supporting individual use or stacked combination to achieve 7 different macro magnification effects. PREMIUM GILT METAL BAYONET & CONTACTS: Adopts durable metal bayonet and gold-plated metal contacts to ensure stable electronic signal transmission, wear resistance and long service life. PROFESSIONAL MACRO FOCUS ASSIST: Effectively shortens the minimum focusing distance of your lens, turning ordinary lenses into macro-capable lenses for ultra-close detailed shooting. FULL AF & TTL EXPOSURE FUNCTION: Retains complete autofocus and TTL auto exposure functions without signal loss, ideal for macro photography, close-up portrait and detailed still life shooting.