Kenko TelePlus MC7 AF 2.0X DGX Teleconverter
The Kenko TelePlus MC7 AF 2.0X DGX Teleconverter (also known as a tele-extender) gives you the dramatic effect of doubling the focal length of your lens by 2x, and will cut back the amount of light by 4x (2 f/stops). The MC7 features a 7-element, 4-group design with multi-coated lens elements, and fully automatic diaphragm coupling. With the Kenko TelePlus MC7 DGX your prime lens' depth of field is reduced by 1/2, but retains the prime minimum focusing distance. Using a 2x teleconverter with a 300mm lens will effectively increase the focal length to 600mm. A lens set to f/2.8 will now be f/5.6.
The MC7 AF 2.0X DGX converter has genuine Gated Array IC (Integrated Circuitry). This means that not only the converter's own unique data but all data sent from the camera body provides full exposure metering and linkage for electronic flash photography.
Teleconverters are not recommended for lenses wider than 50mm, e.g. 28-105mm. However, full AF operation is only possible with lenses with open aperture of f/2.8 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 recommended when using lenses with smaller open f-stop value than those given above.
Note! NOT for use with Canon EOS EF-S lenses
- 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 teleconverter. Optically and mechanically they are identical to the prior high-quality DG series converters.
| Magnification |
2.0X Exposure magnification: Approx. 4 times |
| Minimum Focus Distance | Same as prime lens |
| Lens Diaphragm | Fully automatic coupling |
| Lens Elements/Groups | 7/4 |
| Lens Coating | Digital multi coating |
| Length | Approx. 1.4" (35.7mm) |
| Weight | 5.5 oz (157 g) |
REVIEW SNAPSHOT®
by PowerReviews(based on 3 reviews)
Ratings Distribution
100%
of respondents would recommend this to a friend.
Pros
- Durable (3)
Cons
Best Uses
- Reviewer Profile:
- Semi-pro photographer (3)
REVIEWS
Reviewed by 3 customers
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Displaying reviews 1-3
Pros
- Durable
- Lightweight
- Rugged
- Strong Construction
Cons
- Inconsistent
Best Uses
- Landscape/Scenery
- Macro Photography
- Wildlife Photos
Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter:
This is a value buy. As many have mentioned, it beats dishing out hundreds more for a 600mm lens when you have a decent 300mm and want more reach.
It clearly states this will not work with a Canon Rebel XT- and it does and doesn't...meaning that ( with bright daylight conditions) , it will shoot sometimes and at others, it won't. I have no scientific explanation. The MC4 1.4x ( see my review) seemed to work nearly all the time. And I'm not talking Autofocus- I'm talking manaul when I say yes and no for the 2.0x shooting certainty.
Overall I'm pleased with the sharpness. When it fails to shoot, I turn the camera off and on, and then it works for awhile. I've decided to keep mine. It's still worth the uncertainty. I believe I will miss some bird shots, and then, on the other hand, I will get some I would have missed entirely if I had only a 300 or 450mm (1.4x) lens.
- Was this a gift?:
- No
Pros
- Durable
- Easily Interchangeable
- Lightweight
- Rugged
- Strong Construction
Cons
Best Uses
- Landscape/Scenery
- Macro Photography
- Wildlife Photos
Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter:
I reviewed the MC4 1.4x and included that I exchanged that for the MC7 2.0x. I just wanted the extra power. If I could have kept both I would have. I am thrilled with this, and clearly meets my expectations. It is reasonably sharp and fits my Canon Rebel XT without a problem. It hunts a little more than the 1.4x, and delivers a slightly less contrasty image, but that's a given, and nothing PS can't fix. I think where birds are involved, I'll be switching to manual anyway because of branches and other distracting objects.
I use this with the Sigma Ap DGI 70-300mm that runs about 2&change, a far cry from a 600mm for $1K+!
- Was this a gift?:
- No
Pros
- Durable
- Easy to Use
- Improves Function
Cons
- Easily Lost
Best Uses
- Traveling
- Wildlife
Comments about Kenko TelePlus MC7 AF 2.0X DGX Teleconverter:
I compared prices and specs from several brands for teleconverters and the mc7 2x tele seemed like a bargain over the Nikons high priced tele. and after reading about the autofocusing problem due to the severe loss of light with slower lenses (two stops), I thought that I would most definatly have to use the manual focusing all the time because of the semi slow aperature of my Tokina 80-400mm f4.5 to 5.6 changing that to f11. (very slow)to my surprise in decent light the autofocus works even at f11! so it definitely exceeded my expectations. the quality seems to be exceptional as well, having taken a few shots of far away birds and the big glowing moon (on a tripod of course) some images are a bit soft but I certainly can work with that issue , heading to Alaska for the big test.
Displaying reviews 1-3
Care & Cleaning
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- Original: $4.99
- Save: $0.50
- Price: $4.49
What's in the Box
- Front & Rear Caps
- Pouch
- 1-Year Manufacturer's Warranty
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