Kenko 1.4X Teleplus 4 AF Extender for Minolta/Sony - Best Price
 | Product Id : B003EK5WHO Category : Adapters & Converters Brand : Kenko Price : Rating :  |
Auto Focus, Auto Exposure 1.4X TELECONVERTOR (4 ELEMENTS)FOR MINOLTA/SONY AF system
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What Makes This Kenko 1.4X Teleplus 4 AF Extender for Minolta/Sony Stands Out?
- Telephoto photography
- Magnifies your lens
- Auto-focus
- Auto-exposure
See What People Said About This Adapters & Converters Product
Kenko 1,4X Teleplus 4 AF Extender (Teleconverter) for Minolta/Sony
This Kenko 1,4X Teleplus 4 AF Extender (Tele-Converter) for Minolta/Sony is well worth the price. It is extremely sturdy and well engineered , provides excellent Auto Focus capabilities, has fine optical properties, is easy to use and to carry. I have used it successfully with the Tamron 70 - 200mm f/2,8, the Sony 70 - 300mm G, the Sony 500mm f/8 Reflex and a good number of other Alpha mount lenses. I have considerable praise for the properties, qualities and performance of this high quality product.
YES I WOULD recommend that a friend DOES purchase one of these items.
Neil Wilson
Economical with average IQ
I bought the Kenko 1.4 converter to extend the range of my Sigma 18-200mm lens mounted on a Sony SLT A33. While the converter worked fine in auto mode the image quality at long focal lengths (200 mm) was somewhat disappointing compared to images shot with the zoom lens alone. That said a prime lens would probably yield better IQ . If one is not pixel peeping or making prints larger than 8"x10" the IQ is adequate and the converter would be a more cost effective alternative to a 300 mm zoom lens.
Very good, although not the best quality glass.
I purchased this TC (Kenko 1.4X Teleplus 4 AF Extender for Minolta/Sony to be used with a Sony Alpha 550 Camera , and 2 telephoto lens: Sigma 70-300mm APO DG and Sony 500mm prime, reflex lens. The reason I'm interested in these combinations is that I do bird photography, so both techniques, approaching birds and a lot of telephoto are needed. I tried it with both lenses HANDHELD, and then I saved the TC (Not using it now). Here are my impressions:
With the Sony 500mm prime lens: the autofocus (AF) is impossible. This is already known, as the lens has a fix aperture of f8, and the manufacturer says the TC works AF only with apertures of f4 or brighter. Manual Focus is very hard with this camera, as the view finder is quite small.(Maybe with a Magnifying Eyepiece it would be more feasible).
With the Sigma 70-300mm: this lens has an aperture of f4-5.6, the TC handles the AF reasonably well, specially when there is good daylight (which is my case in Central...
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