Expand your Ultra Telephoto World with Sigma the 1.4X EX APO Tele-Converter Tele Converter Compatibility For Canon AF 1.4X Notes Sigma APO 70-200mm F2.8 EX HSM AF *1 Sigma APO 100-300mm F4 EX HSM AF *1 Sigma APO 50-500mm F4-6.3 EX RF HSM MF *1, *3 Sigma APO MACRO 180mm F3.5 EX IF HSM AF/MF *1, *4 Sigma APO 300mm F2.8 EX HSM AF *1 Sigma APO 500mm F4.5 EX HSM MF *1 Sigma APO 800mm F5.6 EX HSM MF *1 Sigma APO 70-210mm F2.8 MF *2 Sigma APO 300mm F2.8 MF *2 Sigma APO TELE MACRO 300mm F4 MF *2 Sigma APO TELE MACRO 300mm F4 HSM MF *2 Sigma APO TELE MACRO 400mm F5.6 MF *2 Sigma APO TELE MACRO 400mm F5.6 HSM MF *2 Sigma APO 500mm F4.5 MF *2 Sigma APO 800mm F5.6 MF *2 Sigma APO 1000mm F8 MF *2 *1 If using a lens marked * 1 in the table, the camera's display will give you the converted exposure information automatically.
*2 When using a lens marked * 2 in the table.
when you are using a hand held exposure meter, you should increase the exposure reading by one f-stop for the APO Tele Converter 1.4X EX and by two f-stops for the APO Tele Converter 2X EX.
* 3 It can be used zoom range between 100mm and 500mm with the APO Tele converter EX.
* 4 Limited Autofocus Range.
This lens will work in AF between Infinity and 47 inches (1.2m) with the APO Tele converter EX.
It can be used only in Manual Focus when less than 47 inches (1.2m).