?Features:
Allows all focal length of the Canon EF increase to two times.
In most cases the original camera autofocus function can be used faultlessly.
The camera can get access to the automatic focusing function:
| Camera model | Autofocus (Y/N) | Camera Model | Autofocus (Y/N) |
| EOS-5D | Y | EOS-550D | Y |
| EOS-5D Mark II | Y | EOS-600D | Y |
| EOS-5D Mark III | Y | EOS-650D | Y |
| EOS-6D | Y | EOS-1100D | Y |
| EOS-7D | Y | EOS-1000D | Y |
| EOS-350D | Y | EOS-10D | Y |
| EOS-400D | Y | EOS-20D | Y |
| EOS-450D | Y | EOS-30D | Y |
| EOS-500D | Y | EOS-40D | Y |
| EOS-600Da | Y | EOS-50D | Y |
Specifications:
The magnification: 2 times
Coating: Multi coating
Lens composition: 7 elements in 4 groups
Barrel diameter: Approx. 68mm
Weight: 205g/ 7.3oz
Package size: 9 * 8.5 * 8.5cm/ 3.5 * 3.3 * 3.3in
Package weight: 262g/ 9.2oz
Package list:
1 * YN-2.0X Teleconverter
1 * Carry Bag
1 * Manual