Kenko has taken wraps off two new teleconverters – the Teleplus 1.4x HD DGX and the Teleplus 2.0 HD DGX T. Initially available in Canon fit and compatible with EF and EF-S lenses, they’re an alternative option to the more expensive Canon EF 1.4x III extender (£314) and the Canon EF 2x III extender (£319). Here we take a closer look at their features and specifications
Teleplus 1.4x HD DGX Teleconverter – £219
The Kenko TELEPLUS HD DGX 1.4X teleconverter will initially be available in Canon fit and contains a set of optics which multiply the focal length of a lens by 1.4x, turning a 300mm lens into the equivalent of 420mm.
Full autofocus operation with the HD DGX 1.4x is possible using a camera lens with an open aperture of f/4 or brighter (except Canon EF 50mm f/1.8). Note that autofocus will only work properly only if there is enough light and contrast on the subject to activate the camera’s AF sensors properly, otherwise manual focusing may be necessary.
Specification:
Magnification: 1.4x
Depth of Field: 1/1.4 of prime lens
Minimum Focus Distance: Same as prime lens
Optical Construction: 3 elements in 2 groups
Diaphragm Coupling: Fully automatic
Exposure Adjustment: 1 Stop
Barrel Length: 25mm
Weight: 110g
Camera/Lens Mount: Canon EF and EF/S
Teleplus HD DGX 2.0 – £279.99
The Kenko TELEPLUS HD DGX 2.0 teleconverter, also initially available in Canon mount, contains a set of optics which multiply the focal length of your prime lens by 2x, turning a 300mm lens into the equivalent of 600mm.
Teleplus HD DGX converters use unique circuitry which maintains signal integrity between the camera body and lens, allowing accurate recording of digital EXIF data. Full AF operation with the HD DGX 2.0x is possible using a camera lens with an open aperture of f/2.8 or brighter (except Canon EF 50mm f/1.8). Like the Teleplus 1.4x HD DGX Teleconverter, autofocus will work if there is enough light and contrast on the subject to activate the camera’s AF sensors.
Specification:
Magnification: 2.0x
Depth of Field: 1/2 of prime lens
Minimum Focus Distance: Same as prime lens
Optical Construction: 5 elements in 3 groups
Diaphragm Coupling: Fully automatic
Exposure Adjustment: 2 Stops
Barrel Length: 35.8mm
Weight: 157g
Camera/Lens Mount: Canon EF and EF/S
Check back to Amateur Photographer for full reviews of both converters when our test samples arrive.