Kenko

TelePlus MC7 AF 2.0x DGX Teleconverter for EOS

Teleconverter for full-frame Canon EOS (Not for EF-S lenses)

The Kenko TelePlus MC7 AF 2.0X DGX Teleconverter for full-frame Canon EOS lenses is designed to extend the effective focal length of your lens by 2x, effectively doubling your focal length reach. It will also reduce the amount of light by 4x (2 f/stops), meaning a lens set to f/2.8 will now be f/5.6.

The MC7 uses a 7-element, 4-group design with multi-coated lens elements and a fully automatic diaphragm coupling. It also features updated circuitry to record exif data more accurately. Both the equivalent aperture and focal length of the lens and teleconverter will be recorded.

Please note that teleconverters are not recommended for use with lenses wider than 50mm, e.g. 28-105mm. Full AF operation is also only possible with lenses with an open aperture of f/2.8 or brighter. Manual focusing is recommended when using lenses with a smaller open f-stop value.