ij³í EXTENDER EF 1.4x EXTENDER EF 1.4x ºê·£µå ij³í ¹èÀ² 1.4¹è »ç¿ë·»Áî EF 70-200mm F2.8L USM, EF 70-200mm F2.8L IS USM, EF 70-200mm F4.0L, USM, EF 100-140mm F4.5-5.6L IS USM Å©±â 72.8x27.2mm ¹«°Ô 220g
ij³í EXTENDER EF 1.4x