Viltrox C-AF2X Magnification Teleconverter Auto Focus Mount Lens

Viltrox C-AF 2X TELEPLUS is made of high-quality coated optical glass with optical design. It can make the focal length of all the Canon EF lens increased to 2 times as respectively, and the auto-focus function of the original camera lens can be used perfectly, and does not change the Exif information.
Features
Viltrox C-AF 2X TELEPLUS can make the focal length of all the for Canon EF lens increased to 2 times as respectively.
C-AF 2X specially use for 100mm or more fixed focal length lens, but not recommend for use in less than 60mm of short-focus lens.
The auto-focus function of the original camera lens can be used perfectly, and don't change the EXIF information.
Mount Type: for Canon EF-Mount lens
Depth of field: Half of the original lens Constitution of the lens: 7 glasses,4 groups
Specifications
Mount Type for Canon EF-Mount lens
Magnification 2 times
Depth of field Half of the original lens
Constitution of the lens 7 glasses,4 groups
Focus mode full auto focus
Lens coating Multi-coated
Exposure factor Approx. 4 times
Item size 6.7 * 5cm / 2.6 * 2.0in(D*H)
Item weight 131g / 4.64oz
Package weight 202g / 7.17oz
Package Size 9.5 * 9.5 * 9.5cm / 3.7 * 3.7 * 3.7in
Packing Content:
1 * Teleconverter
2 * Covers
1 * User Manual(Chinese & English)
1 * Andoer Lens Cleaning Pen