Kenko DG Auto Extension Tube Set for the Nikon AF Mount (12, 20 & 36mm Tubes)

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About Kenko

Extension tubes are designed to enable a lens to focus closer than its normal set minimum focusing distance. Getting closer has the effect of magnifying your subject (making it appear larger in the viewfinder and in your pictures). They are exceptionally useful for macro photography, enabling you to convert almost any lens into a macro lens at a fraction of the cost while maintaining its original optical quality.

The extension tubes have no optics. They are mounted in between the camera body and lens to create more distance between the lens and film plane. By moving the lens father away from the film or CCD sensor in the camera, the lens is forced to focus much closer than normal. The greater the length of the extension tube, the closer the lens can focus.

The KENKO AUTO EXTENSION TUBE SET contains three tubes of different length, a 12 mm, 20 mm, and 36 mm, which can be used individually or in any combination to obtain the desired magnification. Kenko also makes a UNITUBE 12 mm or 25 mm which can be purchased individually.

Kenko's Auto Focus extension tubes are designed with all the circuitry and mechanical coupling to maintain auto focus and TTL auto exposure with most Nikon lenses given there is enough light to activate the cameras AF system properly.

Please Note;
1. When using extension tubes the lens will not focus to infinity. The focus range will be greatly limited to a very close focusing distance.
2. There is light fall off when using any extension tube, sometimes the equivalent of 3 f-stops of light is lost when using multiple extension tubes together. This light lost can affect the camera's ability to auto focus. Manual focusing is recommended should the lens begin to "hunt" (not lock onto the subject).
3. Nikon "D" information is not transmitted because the lens is focusing closer than its programmed to focus.
4. Kenko Auto Extension Tubes are not auto focus compatible with Nikon AF-s (Silent Wave) lenses, manual focusing is required with these lenses.

DG Series
New DG Series have upgraded "Gated-Array" circuitry to work better with the digital SLR's and some of the the new digital only lenses. They still work the same with film SLR Cameras and lenses as well

Summary of Customer Reviews

Customers most agreed on the following attributes:
Pros:
Lightweight (36),Durable (22),Reliable (18),Improves function (5),Versatile (5),Great features (3),Great picture quality (3),Simple controls (3)
Cons:
Easy to use (37)
Best Uses:
Macro photography (42),Travel (5),Home (4),Outdoor events / games (3)
Reviewer Profile:
Enthusiast (40),Professional (4),Semi-professional (4)

Kenko Specifications

Diaphragm
Perfect coupling
TTL/EE metering
Perfect coupling
Diameter
62mm approx.
Length and Weight (approx.)
36mm/125g, 20mm/85g, 12mm/60g

Reviews about this item

Review Snapshot®

 
4.3

(based on 53 reviews)

93%

of respondents would recommend this to a friend.

Ratings Distribution

  • 5 Stars

     

    (28)

  • 4 Stars

     

    (18)

  • 3 Stars

     

    (5)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (2)

Most Liked Positive Review

 

Nice set

I use these tubes when I want to get close to very small subjects. Depth of field is greatly reduced so you need to use a high F number (smaller aperture). Flash is also helpful but not always necessary.

VS

Most Liked Negative Review

 

Functional but flexible

Although highly functional I found the build quality to be somewhat flimsy for serious macro work. With a larger lens like my Sigma 150/2.8 APO DG HSM I found that with all three rings there was some flex. There was even a slight creaking noise being generated at the same time if I were to move around. As I have a D50 this is not as serious of an issue as I can mount the lens to the tripod and have the body unsupported. However, for those with the more robust D200 or D2x this would not be an ...

View full Review

Although highly functional I found the build quality to be somewhat flimsy for serious macro work. With a larger lens like my Sigma 150/2.8 APO DG HSM I found that with all three rings there was some flex. There was even a slight creaking noise being generated at the same time if I were to move around. As I have a D50 this is not as serious of an issue as I can mount the lens to the tripod and have the body unsupported. However, for those with the more robust D200 or D2x this would not be an option as both bodies are quite heavy. And, if you had a Nikkor 200mm macro and a D200 or D2x then I do not know how you would solve the support problem with these extension rings. If you are going to use the Nikkor 35/2 or 50/1.8 or other light lens then you will have not have any problems. I would recommend this set for the casual user or someone getting into macro who will be using the lighter Nikkor lenses. However, once again, for larger and heavier body/lens combinations there will be a support issue.

Reviewed by 53 customers

 
5.0

Great product!

By

from Torrington, CT  -  Professional

It works advertise, I have the most success with the 50 mm. Zoom lenses will be difficult to use the AF. Prime lenses focus like normal, great product for a good price and it's a good alternative to macro lens.

 
4.0

Cool Product, Super Macro Photos

By

from Cookeville  -  Hobbyist/Enthusiast

Really cool item to have in your bag of equipment that produces excellent close-up photography. Takes some time to get used to using these but once you get the hang of it...great photo results.

 
4.0

Inexpensive Macro option

By

from Chatham, NJ  -  Hobbyist/Enthusiast

Works well with my Nikon D60 and D7000. The picture quality is good. Autofocus on AFS zoom lenses is slow / unreliable - especially when the tubes are stacked. However this works much better with prime lenses.

(1 of 1 customers found this review helpful)

 
5.0

Love it. Exactly what I need for less

By

from New Orleans, LA  -  Semi-Professional

It mounts between my Nikon D7000 and Nikon 50mm prime lens. It works perfectly. My primary use is jewelry. Love it.

(0 of 1 customers found this review helpful)

 
3.0

Doesn't feel very solid

By

from Cincinnati, OH  -  Hobbyist/Enthusiast

I haven't used it very much yet but it doesn't feel very solid. I bought it since Kenko extension tubes are pretty much the standard. I'm hoping they are sturdy despite my initial impression. I had a set of Vello tubes and one of them locked on to a lens and it was ruined in detaching, which I wasn't sure if I'd be able.

 
5.0

Kendo Aextubedgn DG Auto Extension Tube

By

from Tinton Falls, N.J.  -  Hobbyist/Enthusiast

I like to photograph small objects, flowers and such to bring out the small details that are usually missed in larger photos. These extension tubes are a way of doing that.

(0 of 1 customers found this review helpful)

 
5.0

Easy to use and works great!

By

from Brunswick, Maine  -  Hobbyist/Enthusiast

The only thing I'd want to know is you should have a spot for it in your case or get a tube for it.

(2 of 3 customers found this review helpful)

 
3.0

Fun alternative to dedicated macro lens

By

from Houston  -  Semi-Professional

I already own some of the best and most expensive lenses that Nikon has to offer but unfortunately none of them have macro capabilities so I have shied away from doing that kind of photography. while I replenished my budget, I decided to get the extension tubes so I can get a better feel for macro photography and to see whether I really need it and macro lens. My conclusion is that there is absolutely no substitution for a macro lens. Using these cubes is very awkward because unlike a macro lens where you have the ability to focus to infinity, when you add these tubes, you get a very narrow window of focus. This is not to be confused with the narrow depth of field which is normal for macro work. For example, if I put tubes on my 50 mm lens, I can only focus when I'm about 2 inches away from the subject. This of course creates very good magnification, but if I wanted to move further away for a slightly bigger object, it would be impossible. I have found that 130 mm is about as far as you can go with these tubes. So is it worth it? Perhaps. If I could do it over however, i would have gone with a dedicated macro lens even if it was an older version. as far as tubes go however, these work great.

(0 of 1 customers found this review helpful)

 
5.0

well made

By

from Washington State  -  Hobbyist/Enthusiast

I use mine with zoom telephoto lens for close ups of flowers and small objects.

(0 of 1 customers found this review helpful)

 
5.0

Good stuff

By

from Tx  -  Hobbyist/Enthusiast

Great quality extension tubes. This is my second used purchase from Adorama and I must say their condition scale is better than what they say!!!

Q&A

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Questions about this item:

Shopper  Why Did You Choose This?
JULIUS S  Economical alternative to purchase of true macro lens. Have only had time for a few quick tests, and handheld results (with good outdoor light) have been quite satisfactory to my eye. I'll be working later in summer with tripod & remote release to give the set a good workout.
JOHN K  Will they work with Nikon type G lenses and allow the aperture to be adjusted?
JOHN L  Yes they will.
Shopper  will this work with Leica M series lenses?
JOSEPH S  I do not know. I have only used them with Nikkor lenses and I have not been real happy with them. If only using one they are okay but you cannot really stack them. They are cheaply made. I recently bought a used set of Nikon ones that are 40 years old. Of course they do not have autofocus capability (which doesn't matter with macro anyway) but the quality difference is like night and day. Bottom line is that if you are not stacking these, they are okay but I would not purchase them if you are planning on stacking them.
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