Kenko DG Auto Extension Tube Set for the Sony A & Minolta AF Maxxum Mount

Kenko
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$129.90
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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 Canon, Nikon, and Minolta 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).

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

(5)
Customers most agreed on the following attributes:
Pros:
Durable (4),Reliable (3)
Best Uses:
Macro photography (4)
Reviewer Profile:
Enthusiast (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

(based on 5 reviews)

100%

of respondents would recommend this to a friend.

Ratings Distribution

  • 5 Stars

     

    (1)

  • 4 Stars

     

    (3)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

Most Liked Positive Review

 

Very Nice with 100mm Micro Lens

Love this Product it works Perfectly with My 100mm Micro Lens but you don't have to have a Micro lens works just as well with My 18-70mm Lens too

VS

Most Liked Negative Review

 

Macro booster

Works as they say, magnifies image without changing the f/stop (unless you stack all 3 together, then it will change some). Cheap and reliable magnification.

Reviewed by 5 customers

(0 of 1 customers found this review helpful)

 
3.0

Macro booster

By

from Phoenix AZ  -  Hobbyist/Enthusiast

Works as they say, magnifies image without changing the f/stop (unless you stack all 3 together, then it will change some). Cheap and reliable magnification.

(5 of 5 customers found this review helpful)

 
4.0

Very Nice with 100mm Micro Lens

By

from Kentucky  -  Hobbyist/Enthusiast

Love this Product it works Perfectly with My 100mm Micro Lens but you don't have to have a Micro lens works just as well with My 18-70mm Lens too

(1 of 2 customers found this review helpful)

 
4.0

As advertised

By

from Cincinnati, Ohio  -  Hobbyist/Enthusiast

The product works as advertised

(4 of 4 customers found this review helpful)

 
5.0

Works superbly

By

from Chapel Hill, NC  -  Semi-Professional

Data in the chart provded needs to be tested with your lens to get more accurate distance from subject to lens front.

(2 of 2 customers found this review helpful)

 
4.0

Great for the price

By

from Salem, OR  -  Hobbyist/Enthusiast

Great product for the price. Provides good quality pictures without costing a lot of money.

Q&A

Questions & Answers Powered by TurnTo®

Questions about this item:

Luis F  Are these extension tubes compatible with my Sony Nex-7 lenses?
ARTHUR H  They are if you use the Sony LA_EA1 Alpha Nex Camera Mount Adapter. This is available from Sony for $179.99. These tubes are for the Sony A-Mount, the Nexus uses an E-Mount. I hope this answers your question. Please look up this LA-EA1 piece to read what it can do.

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