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Nikon Rings (Extension Tubes)

Discussion

11 replies
Posted by Paul Inglis on March 18, 2008 at 10:26 AM
Hi everyone,

I am looking for some rings primary to increase the close focusing of my telephoto lenses but also to try with my Micro (Marco) lenses.

I have been looking at the Nikon PK-11A, PK-12, Pk-13 and PN-11 but not sure which one or ones to go for so any advice or help is much appreciated. The lenses I’ll be using them on are as follows;

Micro 200mm f/4 & 105mm f/2.8 VR
and
Telephoto 200-400mm f/4 VR & 500mm f/4 VR

Many thanks,
Paul
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Posted by Paul Gibbs on March 18, 2008 at 10:39 AM
Are those AF? If not i can recommend the Kenko Af extension tubes they are very good.
Posted by PhilH on March 18, 2008 at 11:02 AM
Go for the Kenkos, they work great, as good as any other and are well priced... its what we use here at the nhm :biggrin:

Phil
Posted by Mark Smith on March 18, 2008 at 1:22 PM
I've got a set of the Kenko's and they work great with AF, the Nikon ones do not support AF.

Mark
Posted by Malcolm Muir on March 18, 2008 at 1:26 PM
Hi Paul

I have the Kenkos and they are well built and the ability to maintain AF and full metering is handy sometimes. That saying, however, I also have an elderly Nikon PK13 that I increasingly find myself using. The Kenkos aren't at all bad but the Nikons are that bit better engineered and sit much tighter on the mount. To be honest, for Macro work, I am quite happy to go back to using the aperture ring and centre weighted metering. I have heard it suggested on forums that the Kenko rings are a bit tighter on the Canon mount than on the Nikon - but I have only used Nikon myself so can't comment. Bottom line is that I now use the PK13 or a second hand PN11 with the Nikon 300 f4 as a reasonably light set up for larger insects. For wee stuff I use the Sigma 150 2.8 and (occasionally) a Kenko tube. Nikon extension tubes are rather pricey for what they are but can be picked up for a song on ebay!

Cheers

Malcolm
Posted by Ian Andrews on March 19, 2008 at 3:31 AM
I can attest that the Kenko tubes work well on the 200-400mm. I have the siggy 150mm as a macro, which I also use them on, but there is no reason why they shouldn't work on the 200mm Micro. :smile:

Ian :smile:
Posted by Paul Gibbs on March 19, 2008 at 5:21 AM
This, was taken by the whole Kenko set stacked with my Sigma 500mm and with AF!
http://www.penninephotography.co.uk/p42556656.html
Posted by Paul Inglis on March 19, 2008 at 7:14 AM
Hi Guys,

Thats great! I knew the Nikon rings didn't have AF but had no idea the Kenko did! Thanks, I'll be getting myself some shortly!

Paul - lovely image and with all the rings attached too - nice!
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Posted by Paul Gibbs on March 19, 2008 at 9:03 AM
Oh One thing. I think the kenko ones only AF with internal motor lenses. So AF-S or AF-I etc lenses.
Posted by Paul Inglis on March 19, 2008 at 9:12 AM
Cheers Paul!
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Posted by Chris Lloyd on March 19, 2008 at 11:46 AM
In addition, by adding the Kenko's to my Siggy 150mm macro, would that make it focus closer than 1:1 lifesize?

Sorry for pinching the thread Paul.

Chris.
Posted by Paul Inglis on March 19, 2008 at 2:48 PM
Hi Chris,

I'd say yes! but if I'm wrong hopefully someone will jump in! :biggrin: As this will effect me too!
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