Nikon PK-11A: Picture 1 thumbnail Nikon PK-11A: Picture 2 thumbnail

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About Nikon PK-11A

Nikon extension rings can be used singly or in combination to vary the reproduction ratio of lenses from 20 to 300mm. They are mounted between the camera body and the lens, As a rule, the effect becomes stronger the shorter the focal length of the lens in use, and the longer the focal length of the extension ring. Through the-lens exposure control automatically compensates for lens extension. Manual and aperture-priority auto-exposure control modes are possible. Manual focus only.

Nikon PK-11A Reviews

Reviewed by 2 customers


essential and utilitarian.


from louisiana  -  Semi-Professional

I use this product to enable many of my lenses, manual and af, to focus closer in my macro photography.

(4 of 5 customers found this review helpful)


Small tools that work


from Redwood City, CA

I bought this so I could mount an Arax 80mm f2.8 Tilt Shift lens on my D90 with full rotation (the flash on the camera sticks out too far). This 8mm spacer works just fine. The construction is superb. I also use other tubes for increased magnification. I also use this with AIS lenses on my D7000 and it opens up another very nice realm of macro/close focus options.


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Questions about this item:

Shopper  Why Did You Choose This?
ARTHUR A. S  Because it permits me to use my older non-AI lenses with my D7000. It also allows me to mount my camera onto bellows PB4 and PB5 without damaging the AF contacts on my camera body.
Shopper  Can auto extension tube fit D800? this is for lenses 18-200mm or 18-300mm. What I tried to achieve close up wide angle shots. As often you get sharp front subject but fade background or vice versa. Can PK-11A achieve sharp focus landscape result?
STEEN N C  I have a D7000 which was the first mid-level DSLR that could accommodate AI- and AIS lenses. I am sure your D800 can as well and in the process provide matrix-metering with old lenses, with or without the PK-11A. The PK-11A allows you to focus closer, especially relevant for older lenses, however, anything beyond the normal range of the lens gets quite blurred which I really like and which I was indeed looking for. The other caveat is that the PK-11A works with lenses with a focal length of about 35 mm and greater; at shorter focal lengths the closest thing you can focus on is inside the lens (you can however use a so-called close-up lens, say from B+W, with any wide angle lens; No. 3 is suitable for wideangle lenses). That still leaves you with most of the range for the 18-200 and 18-300mm but in most cases the farthest distance you can get in sharp focus will be limited to a few feet (say no more than 5) from you lens. I like my PK-11A.
Shopper  I have the 10-24 wide angle and cannot achieve focus using a 12mm tube. Can anyone say with absolute certainty that focus can be achieved with this tube?
KEVIN O  It is my understanding that the tubes will not work with the newer Nikon lenses. I was unable to use the tubes with any of my lenses. Not only will the tube not allow autofocus but you have no aperture control.
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