Great condition, light signs of use. Autofocus works with lenses having F4 or faster, it will also work with slower lens but you will need to use it in manual focus, exposure will still be fully automatic.
eBay
Viltrox C-AF 2X II 2.0X Extender Telephoto Converter TELEPLUS Teleplus Auto focus Teleconverter For Canon EOS EF Lens 7DII 5D IV
Aliexpress UK
eBay
500mm f/6.3 MF Telephoto Mirror Lens +2x Teleconverter =1000mm for Nikon Canon Sony DSLR Camera and Macro 4/3 Mirroreless Camera
Aliexpress UK
8 pin canon compatible lovely condition , double that lens focal length please see photos for condition please see my other listings for cameras and accessories
eBay
ROLANPRO Camera Lens Camouflage Rain Cover Raincoat for Canon DSLR Camera Canon series teleconverter Protective Case
Aliexpress UK
Canon tele-converter TC-DC52 2.4x for Powershot. Complete with two end caps
eBay
500mm f/6.3 Telephoto Lens + 2x Teleconverter lens 1000mm for Nikon Canon Sony DSLR Camera and Macro 4/3 Mirroreless Camera
Aliexpress UK
Canon EOS fit AF Teleplus x2 teleconverter Autofocus converter 2x MC7 optics
eBay
2XII Magnification Teleconverter Extender Auto Focus Mount Lens for Canon EOS EF Lens for Canon EF lens 5D II 7D DSLR Camera
Aliexpress UK
The Fotodiox 2x Telekonverter for Canon cameras is an optical precision component that was developed to expand its photographic possibilities. This high-quality 2x telephoneverter effectively doubles the focal length of the lens with which it is used and maintains the resolution and contrast of any fine look. The teleconverter multiplies the focal length of the existing lens by 2x and reduces the amount of light by 2 aperture levels. For example, if you use a 2x telephonever with a 300 mm lens, the focal length is effectively increased to 600 mm, and a lens set to F/2.8 now corresponds to f/5.6. In order to fully exploit the autofocus functions, a maximum aperture of f/4 or higher is required. Please note that the AF only works properly if there are enough light and contrast on the motif t.
eBay
JINTU C-AF 2X Teleconverter Lens Auto Focus AF &Manual MF Teleplus Compatible with Canon EOS EF Lens Telephoto Lens
Aliexpress UK
Appearance:Please refer photo. / Optic:Lens Condition Internal dust : Invisible to the naked eye. Fungus : None. Haze : None. Scratches : None. Balsam separation : None. / Function:There are no functional problems.
eBay
52mm 2 in 1 HD 0.43X Super Wide Angle Macro Lens for 52mm Filter Size Canon Nikon Sony Camera Lens Teleconverter Wide-angle Lens
Aliexpress UK
Fits EF only not EFS. Tested and working perfectly.
eBay