Kenko Teleplus Pro 300 DGX AF 2x Teleconverter for Nikon AF D

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About the Kenko PRO 300 AF 2.0X DGX

Kenko Teleplus Pro 300 DGX converters are made with precision quality multi-coated optical glass supplied by Hoya Corporation, the worlds largest manufacturer of optical glass. These glass elements were designed to match the optical quality of the prime lens (even at the edges) and telephoto zoom lenses. The optical design of the elements and light path is wide enough not to cause vignetting.

The Pro 300 family are designed specifically to be used with prime telephoto lenses of 100mm or above, such as 300 mm f/2.8 lenses and work best with telephoto lenses of 200mm to 500mm. The Pro 300 can be used with telephoto zoom lenses as well as prime lenses. However, Kenko does not recommend them for zoom lenses that have a range starting under 50 mm.

Kenko Pro 300 AF Teleplus converters have genuine Gate Array IC (Integrated Circuitry). It means that the converter's own unique circuitry maintains signal integrity between the camera body and lens. These converters are designed to electronically operate the same way as an original manufacturer's converter.

Full AF operation with Pro 300 2.0x DGX is possible when using camera lenses with maximum aperture of F2.8 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. (Manual focusing is required when using lenses with smaller maximum f-stop value than those given above.)

The DGX Teleplus converters have updated circuitry to record exif data more accurately. In the exif exposure data (meta-data recorded with a digital picture) DGX converters record the equivalent aperture and focal length of the lens setting plus tele-converter. Optically and mechanically they are the identical to the prior high-quality DG series converters.

The Kenko PRO 300 AF 2.0X DGX is commonly used for Landscape/scenery and more.One reason why the Kenko PRO 300 AF 2.0X DGX is popular is because of its Fast / accurate auto-focus.

Summary of Customer Reviews

Customers most agreed on the following attributes:
Fast / accurate auto-focus (6) , Easily interchangeable (5) , Lightweight (5) , Consistent output (3) , Strong construction (3)
Best Uses:
Landscape/scenery (6) , Wildlife photos (4)
Reviewer Profile:
Photo enthusiast (4) , Semi-pro photographer (4)

Kenko PRO 300 AF 2.0X DGX Specifications

Magnification 2.0x
Depth of field 1/2 of prime lens
Minimum focus distance Same as prime lens
Construction 7E/4G
Diaphragm coupling Fully automatic
Lens coating Digital Multi Coating
Exposure Magnification Approx 4 times (equivalent to 2 diaphragm)
Mount Available for Nikon AF-D
Barrel length 27.0mm approx.
Weight 6.4 oz.(184g)
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