VILTROX Auto Focus 2X Teleconverter Extender Converter for Canon EF Mount Super Telephoto Lens 135mm f/2L,200mm,300mm,400mm,600mm,70-200mm,100-400mm and DSLR Camera 5DII 80D 760D 7D,Black

Product description

Viltrox C-AF 2XII TELEPLUS can make the focal length of all the for Canon EF lens increased to 2 times,and the auto-focus function of the original camera lens can be used perfectly, and dont change the EXIF information.br br bCompatibilitybbr C-AF 2XII is only compatible with fixed focal length L-series lenses 135mm and over, as well as the EF 70-200mm f2.8L, EF 70-200mm f2.8L IS, EF 70-200mm f4L, and EF 100-400mm f4.5-5.6L.br br bFeatures bbr Compatible for Canon EF Mount Lens(not for Canon EF-S lens). br Can increase the original lens focus length to 2 times. br Support lens Auto Focus function and wont affect to Exif information. br Adopt 7 optical glasses, 4 groups, the depth of field is half of the original lens. br Good helper for long distance photography. br With upgraded USB firmware interface. br br bSpecifications bbr Mount typeCanon EF-Mount lensbr Magnification2 timesbr Depth of FieldHalf of the original lensbr Min stacking focal lengthEqual to the original lens br Constitution of the lens7 glasses, 4 groupbr Focus modeAuto focusbr Lens CoatingMulti-coatedbr Exposure factorApprox. 4 times (equal to 2 aperture ) br Diameter and lengthApprox. 6851mmbr Weight Approx 154gbr Color blackbrbr bPackage Listingbbr 1 x Viltrox C-AF 2X II TELEPLUS Adapterbr 1 x Product Manualbr