Placed between the camera body and lens, a teleconverter contains a set of optics that will effectively increase the focal length of any lens with which it is used
The KENKO TELEPLUS MC4 AF 1.4X DGX converter has the effect of multiplying the focal length of your lens by 1.4x, turning a 300mm lens into an equivalent 420mm lens for the 1.4x
MC4 AF 1.4X converter has a genuine Gate Array IC (Integrated Circuitry). This means the converter's unique circuitry maintains signal integrity between the camera body and lens
Placed between the camera body and lens, a teleconverter contains a set of optics that will effectively increase the focal length of any lens with which it is used
The KENKO TELEPLUS MC4 AF 1.4X DGX converter has the effect of multiplying the focal length of your lens by 1.4x, turning a 300mm lens into an equivalent 420mm lens for the 1.4x
MC4 AF 1.4X converter has a genuine Gate Array IC (Integrated Circuitry). This means the converter's unique circuitry maintains signal integrity between the camera body and lens
The 4-element design is made with high quality multi-coated optical glass supplied by Hoya Corporation
Full AF operation with the TELEPLUS MC4 AF 1.4X is possible using a camera lens with an open aperture of F4 or brighter
Please be aware that AF will work properly only if there is enough light and contrast on the subject to activate the camera's AF sensors properly. (Manual focusing may be necessary when using lenses with smaller open f-stop values than that given above.)
The TELEPLUS DGX converters have updated circuitry to record exif data more accurately
In the exif exposure data (meta-data recorded with a digital picture) TELEPLUS DGX converters record the equivalent aperture and focal length of the lens setting plus teleconverter
Optically and mechanically they are identical to the prior high-quality TELEPLUS DG converters
Specifications:
Magnification: 1.4x
Depth of field: 1/1.4 of prime lens
Minimum focus distance: Same as prime lens
Construction: 4E / 4G
Diaphragm coupling: Fully automatic
Lens coating: Digital Multi Coating
Exposure magnification: Approx. 2 times (equivalent to 1 diaphragm)