Yongnuo YN-2.0X PRO 2X Teleconverter Auto Focus Mount Lens for Canon Cameras

Brand	Yongnuo
Model	YN C-AF
Quantity	1 piece(s) per pack
Color	Black
Material	Plastic
Compatible Camera Models	Canon: EOS-5D, EOS-5D M ARK I I, EOS-5D M ARK I II, EOS-6D, EOS-7D, EOS-350D, EOS-400D, EOS-450D, EOS-500D, EOS-600Da, E OS -5 50D, E OS -6 00D, E OS -6 50D, E OS- 11 00 D, E OS- 10 00 D, E OS- 10 D, E OS- 20 D, EOS-30 D, EOS-40 D, EOS-50 D
Functions	2-fold increase
Diameter	68 mm
Other Features	Magnification: 2X; Coating: Multi coating; Lens composition: 7 elements in 4 groups; Barrel diameter: 68mm approx; Weight: 180g; Note: Strongly do not recommend using the 70mm focal length less allays two double magnification; Please do by installing a Barlow lens or install a Barlow lens camera and look at the sun and strong light source , which can cause vision damage. Especially not by installing a Barlow lens directly observe the sun, as this can lead to blindness; Do not install a Barlow lens or install a Barlow lens camera and the lens cover is not placed in the sun on. After focusing sunlight through, it may cause a fire; Do not increase by magnification in excessive heat such as in a car in direct sunlight. High temperatures can lead to increase magnification failure; Best not to overlap with increasing magnification, otherwise, the camera's optical performance will be reduced, and the use of built-in exposure time, exposure errors occur; To maintain auto focus clarity in the use of Barlow , the AF speed will slow down; The lens from a cold place into a warm place , the lens surface and internal condensation may occur. To prevent condensation, remove the lens from a cold place to a warm place before the first shot in a sealed plastic bag, the gradual warming of the lens after the chance to use. Moved from a cold to a warm place, we also use the same method.
Certification	FCC
Packing List	1 x Yongnuo 1 x Protecting bag 1 x English / Chinese manual