The 1.4 EX is placed between the lens and the camera, and it allows the photographer to use the 70-200mm f/2.8 lens as a 98-280m f/4 lens, and the 300mm f/2.8 lens as a 420mm f/4 lens; the high optical performance is maintained and the AF speed is not affected.
Comes with genuine 2 years Australian Warranty from C.R. Kennedy.
Specifications
IMPORTANT NOTICE
Usable Lenses and Combinations
Attaching the APO Tele Converter to the Lens
Focusing
Exposure
3 Year Mack Global Warranty 1086, Professional Lens under $12000
@ $128.00